Trosolwyg
Rwy'n Athro mewn Peirianneg Geoamgylcheddol ac yn arwain Ymchwil Geoamgylcheddol yn yr Ysgol Peirianneg, Prifysgol Caerdydd.
Mae'r prosiect diweddar yr wyf yn ei arwain/neu rwyf wedi'i arwain yn cynnwys prosiectau ymchwil aml-sefydliad/aml-bartner mawr: prosiect ASPIRE a ariennir gan EPSRC (Prosesau Supergene Cyflymu mewn Peirianneg Gadwrf, £1.5M, EP/T031018/1); ac ariannodd WEFO METAL-SoLVER (Mine Effluent Treatment At Low-cost gan ddefnyddio Adweithyddion Llif Fertigol Cynaliadwy, £2M). Cyn hynny, arweiniais grant consortiwm INSPIRE (NERC, NE/L013908/1, £1.3M, 2014-2018) fel rhan o raglen flaenllaw NERC "Adfer Adnoddau o Wastraff".
Mae gennyf ddiddordeb mewn ymchwil ryngddisgyblaethol sy'n canolbwyntio ar ddiwydiant mewn peirianneg geoamgylcheddol sy'n tynnu ar, ac yn cydlynu ymchwil ar draws peirianneg, gwyddorau daear, biowyddorau a chemeg i fynd i'r afael â heriau mawr mewn peirianneg geoamgylcheddol, yn enwedig mewn perthynas â:
- Rheoli dŵr a gwastraff pwll glo
- Adfer adnoddau o wastraff diwydiannol
- Peirianneg Geoamgylcheddol yn yr Economi Gylchol
- Cymwysiadau peirianneg biogeocemeg haearn
- Peirianneg technolegau triniaeth sy'n seiliedig ar natur
Cyhoeddiad
2024
- Al-Obaidi, S. A., Srivastava, P., Webster, G., Weightman, A. J. and Sapsford, D. 2024. Iron oxide-bearing wastes as media for supporting biodegradation of BTEX. Minerals 14(12), article number: 1231. (10.3390/min14121231)
- Mao, J. et al. 2024. Polymetallic contamination drives indigenous microbial community assembly dominated by stochastic processes at Pb-Zn smelting sites. Science of the Total Environment 947, article number: 174575. (10.1016/j.scitotenv.2024.174575)
- Purnell, A., Sapsford, D., Evans, S. L., Kooij, C. and Wauters, P. 2024. Application of the Fuller-Thompson equation in sinter blend design to increase sinter productivity. Ironmaking & Steelmaking 51(6), pp. 556-570. (10.1177/03019233241248255)
- Alshehri, K., Basirati, M., Sapsford, D., Harbottle, M. and Cleall, P. 2024. Nature-based secondary resource recovery under climate change uncertainty: a robust multi-objective optimisation methodology. Sustainability 16(16), article number: 7720. (10.3390/su16167220)
- Wang, X., Chen, M., Ma, L., Juholin, P. and Sapsford, D. J. 2024. Degradation of residual xanthates in mineral processing wastewater-A review. Minerals Engineering 212, article number: 108717. (10.1016/j.mineng.2024.108717)
- Alshehri, K., Chen, I., Rugani, B., Sapsford, D., Harbottle, M. and Cleall, P. 2024. A novel uncertainty assessment protocol for integrated ecosystem services-life cycle assessments: A comparative case of nature-based solutions. Sustainable Production and Consumption 47, pp. 499-515. (10.1016/j.spc.2024.04.026)
- Gao, Z., Cui, T., Qian, H., Sapsford, D. J., Cleall, P. J. and Harbottle, M. J. 2024. Can wood waste be a feedstock for anaerobic digestion? A machine learning assisted meta-analysis. Chemical Engineering Journal 487, article number: 150496. (10.1016/j.cej.2024.150496)
- Harbottle, M., Smith, H., Kennedy, J., Sapsford, D., Cleall, P., Weightman, A. and Ugalde Loo, C. 2024. Microbially mediated energy storage in the pedosphere. Presented at: EGU General Assembly 2024, Vienna, Austria, 14-19 April 2024EGU General Assembly 2024 - Abstracts. Copernicus, (10.5194/egusphere-egu24-9593, 2024)
2023
- Wang, X., Chen, M., Ma, L., Liu, P., Zhou, J. and Sapsford, D. J. 2023. New strategy for sustainable treatment of residual xanthate in mineral processing wastewater by using natural pyrite. Minerals Engineering 204, article number: 108427. (10.1016/j.mineng.2023.108427)
- Alshehri, K., Gao, Z., Harbottle, M., Sapsford, D. and Cleall, P. 2023. Life cycle assessment and cost-benefit analysis of nature-based solutions for contaminated land remediation: A mini-review. Heliyon 9(10), article number: e20632. (10.1016/j.heliyon.2023.e20632)
- Kennedy, J., Okeme, I. and Sapsford, D. 2023. Novel approaches to passive and semi-passive treatment of zinc-bearing circumneutral mine waters in England and Wales. In: Fosso-Kankeu, E. and Mamba, B. B. eds. Hybridized Technologies for the Treatment of Mining Effluents. Scrivener Publishing LLC, pp. 147-175., (10.1002/9781119896920.ch6)
- Kennedy, J., Dean, J., Okeme, I. and Sapsford, D. 2023. An assessment of the efficacy of sodium carbonate for semi-passive treatment of circumneutral zinc-bearing mine waters. Journal of Water Process Engineering 53, article number: 103764. (10.1016/j.jwpe.2023.103764)
- Smith, H. B. et al. 2023. Sphingopyxis Species Isolated from Sand Filter Biofilm at an Australian Drinking Water Treatment Works. Microbiology Resource Announcements (10.1128/mra.00249-23)
- Crane, R. and Sapsford, D. J. 2023. Towards sustainable mass production of metallic nanoparticles: Selective synthesis of copper nanoparticles directly from malachite ore. Minerals Engineering 196, article number: 108048. (10.1016/j.mineng.2023.108048)
- Alshehri, K., Harbottle, M., Sapsford, D., Beames, A. and Cleall, P. 2023. Integration of ecosystem services and life cycle assessment allows improved accounting of sustainability benefits of nature-based solutions for brownfield redevelopment. Journal of Cleaner Production 413, article number: 137352. (10.1016/j.jclepro.2023.137352)
- Sapsford, D. J. et al. 2023. Circular economy landfills for temporary storage and treatment of mineral-rich wastes. Waste and Resource Management 176(2), pp. 77-93. (10.1680/jwarm.22.00008)
- Roberts, M., Srivastava, P., Webster, G., Weightman, A. J. and Sapsford, D. J. 2023. Biostimulation of jarosite and iron oxide-bearing mine waste enhances subsequent metal recovery. Journal of Hazardous Materials 445, article number: 130498. (10.1016/j.jhazmat.2022.130498)
2022
- Gao, Z., Alshehri, K., Li, Y., Qian, H., Sapsford, D., Cleall, P. and Harbottle, M. 2022. Advances in biological techniques for sustainable lignocellulosic waste utilization in biogas production. Renewable and Sustainable Energy Reviews 170, article number: 112995. (10.1016/j.rser.2022.112995)
- Roberts, M., Srivastava, P., Webster, G., Weightman, A. J. and Sapsford, D. J. 2022. Biostimulation of jarosite and iron oxide-bearing mine waste enhances subsequent metal recovery. [Online]. SSRN. (10.2139/ssrn.4229663) Available at: http://dx.doi.org/10.2139/ssrn.4229663
- Srivastava, P., Al-Obaidi, S. A., Webster, G., Weightman, A. J. and Sapsford, D. J. 2022. Towards passive bioremediation of dye-bearing effluents using hydrous ferric oxide wastes: Mechanisms, products and microbiology. Journal of Environmental Management 317, article number: 115332. (10.1016/j.jenvman.2022.115332)
2020
- Sapsford, D. J., Crane, R. A. and Sinnett, D. 2020. An exploration of key concepts in application of in situ processes for recovery of resources from high-volume industrial and mine wastes. In: Macaskie, L. E., Sapsford, D. J. and Mayes, W. M. eds. Resource Recovery from Wastes: Towards a Circular Economy. , pp. 141-167., (10.1039/9781788016353-00141)
- Crane, R. A., Sapsford, D. J. and Aderibigbe, A. 2020. Applications of engineered nanomaterials in the recovery of metals from wastewater. In: Macaskie, L. E., Sapsford, D. J. and Mayes, W. M. eds. Resource Recovery from Wastes: Towards a Circular Economy. , pp. 266-286., (10.1039/9781788016353-00266)
2019
- Crane, R. and Sapsford, D. 2019. Tunable formation of copper metal, oxide, chloride and hydroxyl chloride nanoparticles from aqueous copper solutions using nanoscale zerovalent iron particles. Nanomaterials and Nanotechnology 9, pp. 1-16. (10.1177/1847980419886173)
- Roberts, M., Weightman, A. and Sapsford, D. J. 2019. Chapter 8. Potential application of direct and indirect iron bioreduction in resource recovery from iron oxide-bearing wastes. In: Macaskie, L., Sapsford, D. and Mayes, W. eds. Resource Recovery from Wastes: Towards a Circular Economy. , pp. 192-212., (10.1039/9781788016353-00192)
- Velenturf, A. P. M., Purnell, P., Macaskie, L. E., Mayes, W. M. and Sapsford, D. J. 2019. A new perspective on a global circular economy. In: Resource Recovery from Wastes: Towards a Circular Economy. Green Chemistry Series, pp. 1-22., (10.1039/9781788016353-00001)
- Pullin, H., Bray, A. W., Burke, I. T., Muir, D. D., Sapsford, D. J., Mayes, W. M. and Renforth, P. 2019. Atmospheric carbon capture performance of legacy iron and steel waste. Environmental Science and Technology 53(16), pp. 9502-9511. (10.1021/acs.est.9b01265)
- Savage, R. J., Pearce, S., Mueller, S., Barnes, A., Renforth, P. and Sapsford, D. 2019. Methods for assessing acid and metalliferous drainage mitigation and carbon sequestration in mine waste: a case study from Kevitsa mine, Finland. Presented at: 13th International Conference on Mine Closure, Perth, Australia, 3-5 September 2019.
2018
- Crane, R. and Sapsford, D. 2018. Towards greener lixiviants in value recovery from mine wastes: efficacy of organic acids for the dissolution of copper and arsenic from legacy mine tailings. Minerals 8(9), article number: 383. (10.3390/min8090383)
- Warwick, S., Durany-Fernandez, P., Sapsford, D., Cleall, P. and Harbottle, M. 2018. Altered chemical evolution in landfill leachate post implementation of biodegradable waste diversion. Waste Management and Research 36(9), pp. 857-868. (10.1177/0734242X18785723)
- Crane, R. A. and Sapsford, D. J. 2018. Sorption and fractionation of rare earth element ions onto nanoscale zerovalent iron particles. Chemical Engineering Journal 345, pp. 126-137. (10.1016/j.cej.2018.03.148)
- Crane, R. A. and Sapsford, D. J. 2018. Towards 'Precision Mining' of wastewater: Selective recovery of Cu from acid mine drainage onto diatomite supported nanoscale zerovalent iron particles. Chemosphere 202, pp. 339-348. (10.1016/j.chemosphere.2018.03.042)
- Peppicelli, C., Cleall, P., Sapsford, D. and Harbottle, M. 2018. Changes in metal speciation and mobility during electrokinetic treatment of industrial wastes: implications for remediation and resource recovery. Science of the Total Environment 624, pp. 1488-1503. (10.1016/j.scitotenv.2017.12.132)
- Crane, R. A. and Sapsford, D. J. 2018. Selective formation of copper nanoparticles from acid mine drainage using nanoscale zerovalent iron particles. Journal of Hazardous Materials 347, pp. 252-265. (10.1016/j.jhazmat.2017.12.014)
- Blanco, I. et al. 2018. International trials of vertical flow reactors for coal mine water treatment. Mine Water and the Environment 37(1), pp. 4-17.
2017
- Sapsford, D. J. and Tufvesson, S. 2017. Properties of recycled sludge formed from different aluminiferous reagents during the ettringite process. Journal of Water Process Engineering 19, pp. 305-311. (10.1016/j.jwpe.2017.08.016)
- Roberts, M., Sapsford, D., Weightman, A. and Webster, G. 2017. Changes in metal leachability through stimulation of iron reducing communities within waste sludge. Solid State Phenomena 262, pp. 269-272. (10.4028/www.scientific.net/SSP.262.269)
- Crane, R., Sinnett, D. E., Cleall, P. J. and Sapsford, D. J. 2017. Physicochemical composition of wastes and co-located landscape designations at legacy 1 mine sites in south west England and Wales: Implications on resource potential. Resources, Conservation and Recycling 123, pp. 117-134. (10.1016/j.resconrec.2016.08.009)
- Rashid, G., Durán-Peña, M., Rahmanpour, R., Sapsford, D. J. and Bugg, T. 2017. Delignification and enhanced gas release from soil containing lignocellulose by treatment with bacterial lignin degraders. Journal of Applied Microbiology 123(1), pp. 159-171. (10.1111/jam.13470)
- Sapsford, D. J., Cleall, P. and Harbottle, M. 2017. In situ resource recovery from waste repositories: exploring the potential for mobilization and capture of metals from anthropogenic ores. Journal of Sustainable Metallurgy 3(2), pp. 375-392. (10.1007/s40831-016-0102-4)
2016
- Emanuel, D. and Sapsford, D. J. 2016. Fossil rootlet biopores as conduits for contaminant transport through clay horizons: a case study of DNAPL behaviour in Severn alluvium, UK. Environmental Earth Sciences 75(11), article number: 972. (10.1007/s12665-016-5756-5)
- Florence, K., Sapsford, D. J., Johnson, D. B., Kay, C. M. and Wolkersdorfer, C. 2016. Iron-mineral accretion from acid mine drainage and its application in passive treatment. Environmental Technology 37(11), pp. 1428-1440. (10.1080/09593330.2015.1118558)
- Raikova, S. et al. 2016. Assessing hydrothermal liquefaction for the production of bio-oil and enhanced metal recovery from microalgae cultivated on acid mine drainage. Fuel Processing Technology 142, pp. 219-227. (10.1016/j.fuproc.2015.10.017)
- Sutton, A. and Sapsford, D. J. 2016. Physicochemical characterization of sludge originating from vegetable oil–based cutting fluids. Journal of Environmental Engineering 142(1), article number: 4015057. (10.1061/(ASCE)EE.1943-7870.0001014)
- Peppicelli, C., Cleall, P. J., Sapsford, D. J. and Harbottle, M. J. 2016. Electrokinetic treatment in the recovery of valuable metals from waste repositories: Metal speciation and transient behaviour of metals during EK. Presented at: 3rd International Symposium on Enhanced Landfill Mining, Lisbon, Portugal, February 2016.
- Sapsford, D. J., Cleall, P. J. and Harbottle, M. J. 2016. In situ resource recovery from waste repositories: exploring the potential for mobilisation and capture of metals from anthropogenic ores. Presented at: 3rd International Symposium on Enhanced Landfill Mining, Lisbon, Portugal, February 2016.
- Roberts, M., Sapsford, D. J., Cleall, P. J., Harbottle, M. J. and Weightman, A. J. 2016. In situ microbial dissolution of iron mineral-bearing wastes for metal recovery. Presented at: 3rd International Symposium on Enhanced Landfill Mining, Lisbon, Portugal, February 2016.
2015
- Sapsford, D. J., Santonastaso, M., Thorn, P. and Kershaw, S. 2015. Conversion of coal mine drainage ochre to water treatment reagent: Production, characterisation and application for P and Zn removal. Journal of Environmental Management 160, pp. 7-15. (10.1016/j.jenvman.2015.06.004)
2013
- Sapsford, D. J. 2013. New perspectives on the passive treatment of ferruginous circumneutral mine waters in the UK. Environmental Science and Pollution Research 20(11), pp. 7827-7836. (10.1007/s11356-013-1737-3)
- Zoannou, K., Sapsford, D. J. and Griffiths, A. J. 2013. Thermal degradation of monoethanolamine and its effect on CO2 capture capacity.. International Journal of Greenhouse Gas Control 17, pp. 423-430. (10.1016/j.ijggc.2013.05.026)
- Littler, J., Geroni, J. N., Sapsford, D. J., Coulton, R. and Griffiths, A. J. 2013. Mechanisms of phosphorous removal by cement-bound ochre pellets. Chemosphere 90(4), pp. 1533-1538. (10.1016/j.chemosphere.2012.08.054)
2012
- Geroni, J. N., Cravotta, C. A. and Sapsford, D. J. 2012. Evolution of the chemistry of Fe bearing waters during CO2 degassing. Applied Geochemistry 27(12), pp. 2335-2347. (10.1016/j.apgeochem.2012.07.017)
- Sapsford, D. J., Bowell, R. J., Geroni, J. N., Penman, K. M. and Dey, M. 2012. Factors influencing the release of uranium, thorium, yttrium and rare earth elements from a low grade ore. Minerals Engineering 39, pp. 165-172. (10.1016/j.mineng.2012.08.002)
2011
- Pullin, H., Konstantinou, E., Sapsford, D. J. and Marsh, R. 2011. The effects of coal rank, temperature and residence time on the chemical composition of tar condensates. Presented at: 11th International Mine Water Association Congress (IMWA2011) – Mine Water – Managing the Challenges, Aachen, Germany, 4-11 September 2011 Presented at Rüde, R. T., Freund, A. and Wolkersdorfer, C. eds.Mine Water – Managing the Challenges. Aachen: IMWA pp. 197-201.
- Jaafar, I., Griffiths, A. J., Hopkins, A. C., Steer, J. M., Griffiths, M. H. and Sapsford, D. J. 2011. An evaluation of chlorination for the removal of zinc from steelmaking dusts. Minerals Engineering 24(9), pp. 1028-1030. (10.1016/j.mineng.2011.04.026)
- Geroni, J. N. and Sapsford, D. J. 2011. Kinetics of iron (II) oxidation determined in the field. Applied Geochemistry 26(8), pp. 1452-1457. (10.1016/j.apgeochem.2011.05.018)
- Hutton-Ashkenny, H., Bowell, R., Dey, M., Cheung, L., Gilders, R. and Sapsford, D. J. 2011. Lime-roast Dechlorination of Lead-bearing Residues from a Novel Zinc Recovery Process. Presented at: Processing of Zinc Ores and Concentrates 2010 (Zinc Processing '10), Cape Town, South Africa, 13 November 20102nd International Symposium on the Processing of Zinc Ores and Concentrates 2010. Red Hook, NY: Curran Associates pp. 33-46.
- Konstantinou, E., Marsh, R., Pullin, H. and Sapsford, D. J. 2011. Reactivity of Welsh coal-derived chars to carbon dioxide. Presented at: 5th European Combustion Meeting (ECM 2011), Cardiff, Wales, UK, 27 June - 1 July 2011.
- Konstantinou, E., Marsh, R. and Sapsford, D. J. 2011. Reactivity of Welsh coal-derived chars to carbon dioxide. Presented at: Fifth European Combustion Meeting (ECM 2011), Cardiff, UK, 29 June - 1 July 2011.
- Warrender, R. et al. 2011. Field Trials of Low-cost Reactive Media for the Passive Treatment of Circum-neutral Metal Mine Drainage in Mid-Wales, UK. Mine Water and the Environment 30(2), pp. 82-89. (10.1007/s10230-011-0150-8)
- Bowell, R. J., Grogan, J., Hutton-Ashkenny, M., Brough, C. P., Penman, K. M. and Sapsford, D. J. 2011. Geometallurgy of uranium deposits. Minerals Engineering 24(12), pp. 1305-1313. (10.1016/j.mineng.2011.05.005)
- Sapsford, D. J. and Watson, I. 2011. A process-orientated design and performance assessment methodology for passive mine water treatment systems. Ecological Engineering 37(6), pp. 970-975. (10.1016/j.ecoleng.2010.12.010)
- Geroni, J., Sapsford, D. J. and Watson, I. 2011. The potential for semi-passive mine water treatment by CO2 stripping at Ynysarwed, S Wales. Presented at: International Mine Water Association Symposium – Mine Water and Innovative Thinking, Sydney, Nova Scotia, Canada, 5 – 9 September 2010 Presented at Wolkersdorfer, C. and Freund, A. eds.Mine Water and Innovative Thinking. Cape Breton, Canada: CBU Press pp. 123-126.
- Sapsford, D. J., Penman, K. M., Bowell, R. J. and Dey, M. 2011. Laboratory simulation and optimisation of stope leaching of low-grade uranium ore. Presented at: Bio- and Hydrometallurgy Conference 2010 (BIOHYDROMET 10), Cape Town, South Africa, 8-9 November 2010Bio- and Hydrometallurgy 2010. Red Hook, NY: Curran Associates pp. 202-212.
- Dey, M. et al. 2011. The Minex Process: a novel process for the recovery of zinc and associated metals from metallurgical wastes. Presented at: Processing of Zinc Ores and Concentrates. 2nd International Symposium, 2010, Cape Town, South Africa, 13 November 20102nd International Symposium on the Processing of Zinc Ores and Concentrates 2010 (Zinc Processing '10) Proceedings, Vol. 1. Curran Associates pp. 84-93.
2010
- Jaafar, I., Griffiths, A. J., Hopkins, A., Hutton-Ashkenny, M., Steer, J. M., Griffiths, M. H. and Sapsford, D. J. 2010. Chloride roasting for the removal of zinc from steelmaking dusts. Presented at: Processing of Zinc Ores and Concentrates: 2nd International Symposium (Zinc Processing '10), Cape Town, South Africa, 10-13 November 2010.
- Suvio, P., Sapsford, D. J., Griffiths, A. J., Williams, K. P., Davies, J. D. and Maynard, S. 2010. High-density sludge process applied to metal-containing effluent. Presented at: Tenth International Conference on Modelling, Monitoring and Management of Water Pollution, Bucharest, Romania, 9-11 June 2010 Presented at Brebbia, C. A. and Marinov, A. M. eds.Water Pollution X. WIT Transactions on Ecology and the Environment Vol. 135. Southampton: WIT Press pp. 289-299.
- Jaafar, I. et al. 2010. Chloride roasting for the recovery of zinc from steelmaking dusts. Presented at: 2nd International Symposium on the Processing of Zinc Ores and Concentrates 2010 (Zinc Processing '10), Cape Town, South Africa, 13 November 2010Proceedings of the 2nd International Symposium on the Processing of Zinc Ores and Concentrates 2010. Red Hook, NY: Curran Associates pp. 47-63.
2009
- Sapsford, D. J. and Williams, K. P. 2009. Sizing criteria for a low footprint passive mine water treatment system. Water Research 43(2), pp. 423-432. (10.1016/j.watres.2008.10.043)
- Sapsford, D. J., Bowell, R. J., Dey, M. and Williams, K. P. 2009. Humidity cell tests for the prediction of acid rock drainage. Minerals Engineering 22(1), pp. 25-36. (10.1016/j.mineng.2008.03.008)
- Barnes, A., Sapsford, D. J., Dey, M. and Williams, K. P. 2009. Heterogeneous Fe(ii) oxidation and zeta potential. Journal of Geochemical Exploration 100(02-Mar), pp. 192-198. (10.1016/j.gexplo.2008.06.001)
- Abdulgawad, F., Bockelmann-Evans, B. N., Sapsford, D. J., Williams, K. P. and Falconer, R. A. 2009. Ammonium ion adsorption on clays and sand under freshwater and seawater conditions. Presented at: 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS, Nanjing, China, 20-23 October 2008 Presented at Zhang, C. and Tang, H. eds.Advances in Water Resources and Hydraulic Engineering: Proceedings of 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS, Vol. Vol.2. Berlin: Springer pp. 656-661., (10.1007/978-3-540-89465-0_115)
- Geroni, J. N., Bowell, R. J., Dey, M., Sapsford, D. J. and Williams, K. P. 2009. Removal of arsenic (III) from contaminated waters usinf iron (ii) and citrate. Presented at: Securing the Future and 8th International Conference on Acid Rock Drainage, Skelleftea, Sweden.
- Geroni, N., Sapsford, D. J., Barnes, A., Watson, I. and Williams, K. P. 2009. Current performance of passive treatment systems in South Wales. Presented at: International Mine Water Association Conference, Pretoria, South Africa. Water Institute of Southern Africa's Mine Water Division & International Mine Water Association
- Barnes, A. et al. 2009. The assessment of the ARD potential for a 'Climax' type porphyry molybdenum deposit in a high arctic environment. Presented at: Securing the Future and 8th International Conference on Acid Rock Drainage, Skelleftea, Sweden.
- Watson, I. A., Taylor, K., Sapsford, D. J. and Banks, D. 2009. Tracer testing to investigate hydraulic performance of a RAPS Treating Mine Water in South Wales. Presented at: Securing the Future and 8th International Conference on Acid Rock Drainage, Skelleftea, Sweden.
- Littler, J., Griffiths, A. J., Sapsford, D. J., Williams, K. P. and Coulton, R. 2009. Removal of phosphorous from wastewater using sediments from treated acid mine drainage. Presented at: 3rd International Conference on Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG), Assessing the Footprint of Resource Utilisation and Hazardous Waste Management, Athens, Greece, 7-9 September 2009Proceedings of the 3rd International Conference on Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG), Assessing the Footprint of Resource Utilisation and Hazardous Waste Management, Athens, Greece. pp. 265-270.
- Sapsford, D. J., Watson, I. A. and Williams, K. P. 2009. Chemical and hydraulic characterisation of passive mine water treatment systems in S. Wales. Presented at: Securing the Future and 8th International Conference on Acid Rock Drainage, Skelleftea, Sweden.
2008
- Sapsford, D. J. and Williams, K. P. 2008. A low maintenance system for removal of iron and manganese from contaminated groundwaters. Presented at: Proceedings of the 2nd European Water and Wastewater Conference, Birmingham, UK Presented at Horan, N. ed. Aqua Enviro
- Abdulgawad, F., Bockelmann-Evans, B. N., Sapsford, D., Williams, K. and Falconer, R. 2008. Ammonium ion adsorption on clays and sand under freshwater and seawater conditions. Presented at: Proceedings of the 16th International Association of Hydraulic Engineering and Research - Asia and Pacific Division (IAHR-APD) Congress and 3rd International Association of Hydraulic Engineering and Research - International Symposium on Hydraulic Structur, Nanjing, China, Vol. II. Tsinghua University Press pp. 656-661.
- Sapsford, D. J., Bowell, R. J., Dey, M., Williams, M. C. and Williams, K. P. 2008. A comparison of kinetic NAG tests with static and humidity cell tests for the prediction of ARD. Presented at: Proceedings of the 10th International Mine Water Association Congress, Proceedings of the 10th International Mine Water Association Congress., Karlovy Vary, Czech Republic.
- Barnes, A., Sapsford, D. J., Dey, M. and Williams, K. P. 2008. Non oxidisable sorbed Fe(II): Indicator of strong and weak site adsorption at the goethite surface. Presented at: Proceedings of the 10th International Mine Water Association Congress, Karlovy Vary, Czech Republic.
2007
- Barnes, A., Sapsford, D. J., Dey, M. and Williams, K. P. 2007. Heterogeneous Fe(ii) oxidation and zeta potential. Presented at: Proceedings of the International Mine Water Association Symposium, Cagliari, Italy.
- Sapsford, D. J., Barnes, A., Dey, M. and Williams, K. P. 2007. Low footprint mine water treatment: Field demonstration and application. Presented at: Proceedings of the International Mine Water Association Symposium 2007, Cagliari, Italy.
- Sapsford, D. J., Barnes, A., Dey, M., Williams, K. P. and Younger, P. 2007. Low footprint mine water treatment: field demonstration and application. Mine Water and the Environment, Journal of International Mine Water Association 26(4), pp. 243-250. (10.1007/s10230-007-0012-6)
2006
- Barnes, A., Sapsford, D. J., Dey, B. M., Williams, K. P. and Liang, L. 2006. Oxidation of Fe(II) by molecular oxygen in the presence of Fe(OH)3 surfaces and elevated carbonate concentrations: consequences for passive mine water treatment.. Presented at: AMIREG 2nd international Conference, Advances in Mineral Resources Management and Environmental Geotechnology, Hania, Greece.
- Sapsford, D. J., Barnes, A., Dey, M., Williams, K. P., Jarvis, A., Younger, P. and Liang, L. 2006. Iron and manganese removal in a vertical flow reactor for passive treatment of mine water. Presented at: Proceedings of the 7th International Conference on Acid Rock Drainage (ICARD), St. Louis, USA. American Society of Mining and Reclamation pp. 1831-1843.
- Bowell, R., Sapsford, D. J., Dey, B. M. and Williams, K. P. 2006. Protocols affecting the reactivity of mine waste during laboratory based-kinetic tests.. Presented at: 7th International Conference on Acid Rock Drainage, ICARD, St Louis, USA. ASMR, 3134 Montavesta Rd., Lexington, KY, 40502
- Younger, P. L. and Sapsford, D. J. 2006. Acid drainage prevention guidelines for scottish opencast coal mining: The primacy of the conceptual model. Presented at: Proceedings of the 7th International Conference on Acid Rock Drainage, St Louis, USA. Society of Mining and Reclamation pp. 2558-2570.
2005
- Sapsford, D. J., Williams, K. P. and Bowell, R. 2005. Predominant chemical kinetics in laboratory prediction of ARD. Presented at: Proceedings of the 9th International Mine Water Association Congress, Spain, Oviedo, Spain Presented at Pendas, L. J. ed. pp. 57-65.
- Sapsford, D. J., Williams, K. P., Dey, B. M., Liang, L. and Barnes, A. 2005. A novel method for passive treatment of mine water using a vertical flow accretion system. Presented at: Proceedings of the 9th International Mine Water Association Congress, Oviedo, Spain Presented at Loredo, J. and Pendas, F. eds. pp. 389-394.
2004
- Sapsford, D. J., Williams, K. P., Dey, B. M. and Bowell, R. 2004. Laboratory prediction of acid rock drainage. Presented at: Proceedings. of Advances in Mineral Resources Management and Environmental Geotechnology, Chania, Greece Presented at Agioutantis, Z. . and Komniatas, K. eds. pp. 501-506.
- Younger, P. L. and Sapsford, D. J. 2004. Evaluating the potential impact of opencast coal mining on water quality (Groundwater Regulations 1998). An assessment framework for Scotland. Available at: http://www.sepa.org.uk/water/water_regulation/regimes/groundwater/engineering.aspx
2003
- King, E., Bottrell, S. H., Sapsford, D. J. and Raiswell, R. 2003. Modelling carbon fluxes in a constructed wetland. Land Contamination and Reclamation 11(2), pp. 199-203. (10.2462/09670513.815)
2002
- King, E., Bottrell, S., Sapsford, D. J. and Raiswell, R. 2002. Modelling carbon fluxes in a constructed wetland. Presented at: Proceedings of Mine Water 2004 - Process, Policy and Progress, Newcastle upon Tyne, UK.
Adrannau llyfrau
- Kennedy, J., Okeme, I. and Sapsford, D. 2023. Novel approaches to passive and semi-passive treatment of zinc-bearing circumneutral mine waters in England and Wales. In: Fosso-Kankeu, E. and Mamba, B. B. eds. Hybridized Technologies for the Treatment of Mining Effluents. Scrivener Publishing LLC, pp. 147-175., (10.1002/9781119896920.ch6)
- Sapsford, D. J., Crane, R. A. and Sinnett, D. 2020. An exploration of key concepts in application of in situ processes for recovery of resources from high-volume industrial and mine wastes. In: Macaskie, L. E., Sapsford, D. J. and Mayes, W. M. eds. Resource Recovery from Wastes: Towards a Circular Economy. , pp. 141-167., (10.1039/9781788016353-00141)
- Crane, R. A., Sapsford, D. J. and Aderibigbe, A. 2020. Applications of engineered nanomaterials in the recovery of metals from wastewater. In: Macaskie, L. E., Sapsford, D. J. and Mayes, W. M. eds. Resource Recovery from Wastes: Towards a Circular Economy. , pp. 266-286., (10.1039/9781788016353-00266)
- Roberts, M., Weightman, A. and Sapsford, D. J. 2019. Chapter 8. Potential application of direct and indirect iron bioreduction in resource recovery from iron oxide-bearing wastes. In: Macaskie, L., Sapsford, D. and Mayes, W. eds. Resource Recovery from Wastes: Towards a Circular Economy. , pp. 192-212., (10.1039/9781788016353-00192)
- Velenturf, A. P. M., Purnell, P., Macaskie, L. E., Mayes, W. M. and Sapsford, D. J. 2019. A new perspective on a global circular economy. In: Resource Recovery from Wastes: Towards a Circular Economy. Green Chemistry Series, pp. 1-22., (10.1039/9781788016353-00001)
Cynadleddau
- Harbottle, M., Smith, H., Kennedy, J., Sapsford, D., Cleall, P., Weightman, A. and Ugalde Loo, C. 2024. Microbially mediated energy storage in the pedosphere. Presented at: EGU General Assembly 2024, Vienna, Austria, 14-19 April 2024EGU General Assembly 2024 - Abstracts. Copernicus, (10.5194/egusphere-egu24-9593, 2024)
- Savage, R. J., Pearce, S., Mueller, S., Barnes, A., Renforth, P. and Sapsford, D. 2019. Methods for assessing acid and metalliferous drainage mitigation and carbon sequestration in mine waste: a case study from Kevitsa mine, Finland. Presented at: 13th International Conference on Mine Closure, Perth, Australia, 3-5 September 2019.
- Peppicelli, C., Cleall, P. J., Sapsford, D. J. and Harbottle, M. J. 2016. Electrokinetic treatment in the recovery of valuable metals from waste repositories: Metal speciation and transient behaviour of metals during EK. Presented at: 3rd International Symposium on Enhanced Landfill Mining, Lisbon, Portugal, February 2016.
- Sapsford, D. J., Cleall, P. J. and Harbottle, M. J. 2016. In situ resource recovery from waste repositories: exploring the potential for mobilisation and capture of metals from anthropogenic ores. Presented at: 3rd International Symposium on Enhanced Landfill Mining, Lisbon, Portugal, February 2016.
- Roberts, M., Sapsford, D. J., Cleall, P. J., Harbottle, M. J. and Weightman, A. J. 2016. In situ microbial dissolution of iron mineral-bearing wastes for metal recovery. Presented at: 3rd International Symposium on Enhanced Landfill Mining, Lisbon, Portugal, February 2016.
- Pullin, H., Konstantinou, E., Sapsford, D. J. and Marsh, R. 2011. The effects of coal rank, temperature and residence time on the chemical composition of tar condensates. Presented at: 11th International Mine Water Association Congress (IMWA2011) – Mine Water – Managing the Challenges, Aachen, Germany, 4-11 September 2011 Presented at Rüde, R. T., Freund, A. and Wolkersdorfer, C. eds.Mine Water – Managing the Challenges. Aachen: IMWA pp. 197-201.
- Hutton-Ashkenny, H., Bowell, R., Dey, M., Cheung, L., Gilders, R. and Sapsford, D. J. 2011. Lime-roast Dechlorination of Lead-bearing Residues from a Novel Zinc Recovery Process. Presented at: Processing of Zinc Ores and Concentrates 2010 (Zinc Processing '10), Cape Town, South Africa, 13 November 20102nd International Symposium on the Processing of Zinc Ores and Concentrates 2010. Red Hook, NY: Curran Associates pp. 33-46.
- Konstantinou, E., Marsh, R., Pullin, H. and Sapsford, D. J. 2011. Reactivity of Welsh coal-derived chars to carbon dioxide. Presented at: 5th European Combustion Meeting (ECM 2011), Cardiff, Wales, UK, 27 June - 1 July 2011.
- Konstantinou, E., Marsh, R. and Sapsford, D. J. 2011. Reactivity of Welsh coal-derived chars to carbon dioxide. Presented at: Fifth European Combustion Meeting (ECM 2011), Cardiff, UK, 29 June - 1 July 2011.
- Geroni, J., Sapsford, D. J. and Watson, I. 2011. The potential for semi-passive mine water treatment by CO2 stripping at Ynysarwed, S Wales. Presented at: International Mine Water Association Symposium – Mine Water and Innovative Thinking, Sydney, Nova Scotia, Canada, 5 – 9 September 2010 Presented at Wolkersdorfer, C. and Freund, A. eds.Mine Water and Innovative Thinking. Cape Breton, Canada: CBU Press pp. 123-126.
- Sapsford, D. J., Penman, K. M., Bowell, R. J. and Dey, M. 2011. Laboratory simulation and optimisation of stope leaching of low-grade uranium ore. Presented at: Bio- and Hydrometallurgy Conference 2010 (BIOHYDROMET 10), Cape Town, South Africa, 8-9 November 2010Bio- and Hydrometallurgy 2010. Red Hook, NY: Curran Associates pp. 202-212.
- Dey, M. et al. 2011. The Minex Process: a novel process for the recovery of zinc and associated metals from metallurgical wastes. Presented at: Processing of Zinc Ores and Concentrates. 2nd International Symposium, 2010, Cape Town, South Africa, 13 November 20102nd International Symposium on the Processing of Zinc Ores and Concentrates 2010 (Zinc Processing '10) Proceedings, Vol. 1. Curran Associates pp. 84-93.
- Jaafar, I., Griffiths, A. J., Hopkins, A., Hutton-Ashkenny, M., Steer, J. M., Griffiths, M. H. and Sapsford, D. J. 2010. Chloride roasting for the removal of zinc from steelmaking dusts. Presented at: Processing of Zinc Ores and Concentrates: 2nd International Symposium (Zinc Processing '10), Cape Town, South Africa, 10-13 November 2010.
- Suvio, P., Sapsford, D. J., Griffiths, A. J., Williams, K. P., Davies, J. D. and Maynard, S. 2010. High-density sludge process applied to metal-containing effluent. Presented at: Tenth International Conference on Modelling, Monitoring and Management of Water Pollution, Bucharest, Romania, 9-11 June 2010 Presented at Brebbia, C. A. and Marinov, A. M. eds.Water Pollution X. WIT Transactions on Ecology and the Environment Vol. 135. Southampton: WIT Press pp. 289-299.
- Jaafar, I. et al. 2010. Chloride roasting for the recovery of zinc from steelmaking dusts. Presented at: 2nd International Symposium on the Processing of Zinc Ores and Concentrates 2010 (Zinc Processing '10), Cape Town, South Africa, 13 November 2010Proceedings of the 2nd International Symposium on the Processing of Zinc Ores and Concentrates 2010. Red Hook, NY: Curran Associates pp. 47-63.
- Abdulgawad, F., Bockelmann-Evans, B. N., Sapsford, D. J., Williams, K. P. and Falconer, R. A. 2009. Ammonium ion adsorption on clays and sand under freshwater and seawater conditions. Presented at: 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS, Nanjing, China, 20-23 October 2008 Presented at Zhang, C. and Tang, H. eds.Advances in Water Resources and Hydraulic Engineering: Proceedings of 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS, Vol. Vol.2. Berlin: Springer pp. 656-661., (10.1007/978-3-540-89465-0_115)
- Geroni, J. N., Bowell, R. J., Dey, M., Sapsford, D. J. and Williams, K. P. 2009. Removal of arsenic (III) from contaminated waters usinf iron (ii) and citrate. Presented at: Securing the Future and 8th International Conference on Acid Rock Drainage, Skelleftea, Sweden.
- Geroni, N., Sapsford, D. J., Barnes, A., Watson, I. and Williams, K. P. 2009. Current performance of passive treatment systems in South Wales. Presented at: International Mine Water Association Conference, Pretoria, South Africa. Water Institute of Southern Africa's Mine Water Division & International Mine Water Association
- Barnes, A. et al. 2009. The assessment of the ARD potential for a 'Climax' type porphyry molybdenum deposit in a high arctic environment. Presented at: Securing the Future and 8th International Conference on Acid Rock Drainage, Skelleftea, Sweden.
- Watson, I. A., Taylor, K., Sapsford, D. J. and Banks, D. 2009. Tracer testing to investigate hydraulic performance of a RAPS Treating Mine Water in South Wales. Presented at: Securing the Future and 8th International Conference on Acid Rock Drainage, Skelleftea, Sweden.
- Littler, J., Griffiths, A. J., Sapsford, D. J., Williams, K. P. and Coulton, R. 2009. Removal of phosphorous from wastewater using sediments from treated acid mine drainage. Presented at: 3rd International Conference on Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG), Assessing the Footprint of Resource Utilisation and Hazardous Waste Management, Athens, Greece, 7-9 September 2009Proceedings of the 3rd International Conference on Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG), Assessing the Footprint of Resource Utilisation and Hazardous Waste Management, Athens, Greece. pp. 265-270.
- Sapsford, D. J., Watson, I. A. and Williams, K. P. 2009. Chemical and hydraulic characterisation of passive mine water treatment systems in S. Wales. Presented at: Securing the Future and 8th International Conference on Acid Rock Drainage, Skelleftea, Sweden.
- Sapsford, D. J. and Williams, K. P. 2008. A low maintenance system for removal of iron and manganese from contaminated groundwaters. Presented at: Proceedings of the 2nd European Water and Wastewater Conference, Birmingham, UK Presented at Horan, N. ed. Aqua Enviro
- Abdulgawad, F., Bockelmann-Evans, B. N., Sapsford, D., Williams, K. and Falconer, R. 2008. Ammonium ion adsorption on clays and sand under freshwater and seawater conditions. Presented at: Proceedings of the 16th International Association of Hydraulic Engineering and Research - Asia and Pacific Division (IAHR-APD) Congress and 3rd International Association of Hydraulic Engineering and Research - International Symposium on Hydraulic Structur, Nanjing, China, Vol. II. Tsinghua University Press pp. 656-661.
- Sapsford, D. J., Bowell, R. J., Dey, M., Williams, M. C. and Williams, K. P. 2008. A comparison of kinetic NAG tests with static and humidity cell tests for the prediction of ARD. Presented at: Proceedings of the 10th International Mine Water Association Congress, Proceedings of the 10th International Mine Water Association Congress., Karlovy Vary, Czech Republic.
- Barnes, A., Sapsford, D. J., Dey, M. and Williams, K. P. 2008. Non oxidisable sorbed Fe(II): Indicator of strong and weak site adsorption at the goethite surface. Presented at: Proceedings of the 10th International Mine Water Association Congress, Karlovy Vary, Czech Republic.
- Barnes, A., Sapsford, D. J., Dey, M. and Williams, K. P. 2007. Heterogeneous Fe(ii) oxidation and zeta potential. Presented at: Proceedings of the International Mine Water Association Symposium, Cagliari, Italy.
- Sapsford, D. J., Barnes, A., Dey, M. and Williams, K. P. 2007. Low footprint mine water treatment: Field demonstration and application. Presented at: Proceedings of the International Mine Water Association Symposium 2007, Cagliari, Italy.
- Barnes, A., Sapsford, D. J., Dey, B. M., Williams, K. P. and Liang, L. 2006. Oxidation of Fe(II) by molecular oxygen in the presence of Fe(OH)3 surfaces and elevated carbonate concentrations: consequences for passive mine water treatment.. Presented at: AMIREG 2nd international Conference, Advances in Mineral Resources Management and Environmental Geotechnology, Hania, Greece.
- Sapsford, D. J., Barnes, A., Dey, M., Williams, K. P., Jarvis, A., Younger, P. and Liang, L. 2006. Iron and manganese removal in a vertical flow reactor for passive treatment of mine water. Presented at: Proceedings of the 7th International Conference on Acid Rock Drainage (ICARD), St. Louis, USA. American Society of Mining and Reclamation pp. 1831-1843.
- Bowell, R., Sapsford, D. J., Dey, B. M. and Williams, K. P. 2006. Protocols affecting the reactivity of mine waste during laboratory based-kinetic tests.. Presented at: 7th International Conference on Acid Rock Drainage, ICARD, St Louis, USA. ASMR, 3134 Montavesta Rd., Lexington, KY, 40502
- Younger, P. L. and Sapsford, D. J. 2006. Acid drainage prevention guidelines for scottish opencast coal mining: The primacy of the conceptual model. Presented at: Proceedings of the 7th International Conference on Acid Rock Drainage, St Louis, USA. Society of Mining and Reclamation pp. 2558-2570.
- Sapsford, D. J., Williams, K. P. and Bowell, R. 2005. Predominant chemical kinetics in laboratory prediction of ARD. Presented at: Proceedings of the 9th International Mine Water Association Congress, Spain, Oviedo, Spain Presented at Pendas, L. J. ed. pp. 57-65.
- Sapsford, D. J., Williams, K. P., Dey, B. M., Liang, L. and Barnes, A. 2005. A novel method for passive treatment of mine water using a vertical flow accretion system. Presented at: Proceedings of the 9th International Mine Water Association Congress, Oviedo, Spain Presented at Loredo, J. and Pendas, F. eds. pp. 389-394.
- Sapsford, D. J., Williams, K. P., Dey, B. M. and Bowell, R. 2004. Laboratory prediction of acid rock drainage. Presented at: Proceedings. of Advances in Mineral Resources Management and Environmental Geotechnology, Chania, Greece Presented at Agioutantis, Z. . and Komniatas, K. eds. pp. 501-506.
- King, E., Bottrell, S., Sapsford, D. J. and Raiswell, R. 2002. Modelling carbon fluxes in a constructed wetland. Presented at: Proceedings of Mine Water 2004 - Process, Policy and Progress, Newcastle upon Tyne, UK.
Erthyglau
- Al-Obaidi, S. A., Srivastava, P., Webster, G., Weightman, A. J. and Sapsford, D. 2024. Iron oxide-bearing wastes as media for supporting biodegradation of BTEX. Minerals 14(12), article number: 1231. (10.3390/min14121231)
- Mao, J. et al. 2024. Polymetallic contamination drives indigenous microbial community assembly dominated by stochastic processes at Pb-Zn smelting sites. Science of the Total Environment 947, article number: 174575. (10.1016/j.scitotenv.2024.174575)
- Purnell, A., Sapsford, D., Evans, S. L., Kooij, C. and Wauters, P. 2024. Application of the Fuller-Thompson equation in sinter blend design to increase sinter productivity. Ironmaking & Steelmaking 51(6), pp. 556-570. (10.1177/03019233241248255)
- Alshehri, K., Basirati, M., Sapsford, D., Harbottle, M. and Cleall, P. 2024. Nature-based secondary resource recovery under climate change uncertainty: a robust multi-objective optimisation methodology. Sustainability 16(16), article number: 7720. (10.3390/su16167220)
- Wang, X., Chen, M., Ma, L., Juholin, P. and Sapsford, D. J. 2024. Degradation of residual xanthates in mineral processing wastewater-A review. Minerals Engineering 212, article number: 108717. (10.1016/j.mineng.2024.108717)
- Alshehri, K., Chen, I., Rugani, B., Sapsford, D., Harbottle, M. and Cleall, P. 2024. A novel uncertainty assessment protocol for integrated ecosystem services-life cycle assessments: A comparative case of nature-based solutions. Sustainable Production and Consumption 47, pp. 499-515. (10.1016/j.spc.2024.04.026)
- Gao, Z., Cui, T., Qian, H., Sapsford, D. J., Cleall, P. J. and Harbottle, M. J. 2024. Can wood waste be a feedstock for anaerobic digestion? A machine learning assisted meta-analysis. Chemical Engineering Journal 487, article number: 150496. (10.1016/j.cej.2024.150496)
- Wang, X., Chen, M., Ma, L., Liu, P., Zhou, J. and Sapsford, D. J. 2023. New strategy for sustainable treatment of residual xanthate in mineral processing wastewater by using natural pyrite. Minerals Engineering 204, article number: 108427. (10.1016/j.mineng.2023.108427)
- Alshehri, K., Gao, Z., Harbottle, M., Sapsford, D. and Cleall, P. 2023. Life cycle assessment and cost-benefit analysis of nature-based solutions for contaminated land remediation: A mini-review. Heliyon 9(10), article number: e20632. (10.1016/j.heliyon.2023.e20632)
- Kennedy, J., Dean, J., Okeme, I. and Sapsford, D. 2023. An assessment of the efficacy of sodium carbonate for semi-passive treatment of circumneutral zinc-bearing mine waters. Journal of Water Process Engineering 53, article number: 103764. (10.1016/j.jwpe.2023.103764)
- Smith, H. B. et al. 2023. Sphingopyxis Species Isolated from Sand Filter Biofilm at an Australian Drinking Water Treatment Works. Microbiology Resource Announcements (10.1128/mra.00249-23)
- Crane, R. and Sapsford, D. J. 2023. Towards sustainable mass production of metallic nanoparticles: Selective synthesis of copper nanoparticles directly from malachite ore. Minerals Engineering 196, article number: 108048. (10.1016/j.mineng.2023.108048)
- Alshehri, K., Harbottle, M., Sapsford, D., Beames, A. and Cleall, P. 2023. Integration of ecosystem services and life cycle assessment allows improved accounting of sustainability benefits of nature-based solutions for brownfield redevelopment. Journal of Cleaner Production 413, article number: 137352. (10.1016/j.jclepro.2023.137352)
- Sapsford, D. J. et al. 2023. Circular economy landfills for temporary storage and treatment of mineral-rich wastes. Waste and Resource Management 176(2), pp. 77-93. (10.1680/jwarm.22.00008)
- Roberts, M., Srivastava, P., Webster, G., Weightman, A. J. and Sapsford, D. J. 2023. Biostimulation of jarosite and iron oxide-bearing mine waste enhances subsequent metal recovery. Journal of Hazardous Materials 445, article number: 130498. (10.1016/j.jhazmat.2022.130498)
- Gao, Z., Alshehri, K., Li, Y., Qian, H., Sapsford, D., Cleall, P. and Harbottle, M. 2022. Advances in biological techniques for sustainable lignocellulosic waste utilization in biogas production. Renewable and Sustainable Energy Reviews 170, article number: 112995. (10.1016/j.rser.2022.112995)
- Srivastava, P., Al-Obaidi, S. A., Webster, G., Weightman, A. J. and Sapsford, D. J. 2022. Towards passive bioremediation of dye-bearing effluents using hydrous ferric oxide wastes: Mechanisms, products and microbiology. Journal of Environmental Management 317, article number: 115332. (10.1016/j.jenvman.2022.115332)
- Crane, R. and Sapsford, D. 2019. Tunable formation of copper metal, oxide, chloride and hydroxyl chloride nanoparticles from aqueous copper solutions using nanoscale zerovalent iron particles. Nanomaterials and Nanotechnology 9, pp. 1-16. (10.1177/1847980419886173)
- Pullin, H., Bray, A. W., Burke, I. T., Muir, D. D., Sapsford, D. J., Mayes, W. M. and Renforth, P. 2019. Atmospheric carbon capture performance of legacy iron and steel waste. Environmental Science and Technology 53(16), pp. 9502-9511. (10.1021/acs.est.9b01265)
- Crane, R. and Sapsford, D. 2018. Towards greener lixiviants in value recovery from mine wastes: efficacy of organic acids for the dissolution of copper and arsenic from legacy mine tailings. Minerals 8(9), article number: 383. (10.3390/min8090383)
- Warwick, S., Durany-Fernandez, P., Sapsford, D., Cleall, P. and Harbottle, M. 2018. Altered chemical evolution in landfill leachate post implementation of biodegradable waste diversion. Waste Management and Research 36(9), pp. 857-868. (10.1177/0734242X18785723)
- Crane, R. A. and Sapsford, D. J. 2018. Sorption and fractionation of rare earth element ions onto nanoscale zerovalent iron particles. Chemical Engineering Journal 345, pp. 126-137. (10.1016/j.cej.2018.03.148)
- Crane, R. A. and Sapsford, D. J. 2018. Towards 'Precision Mining' of wastewater: Selective recovery of Cu from acid mine drainage onto diatomite supported nanoscale zerovalent iron particles. Chemosphere 202, pp. 339-348. (10.1016/j.chemosphere.2018.03.042)
- Peppicelli, C., Cleall, P., Sapsford, D. and Harbottle, M. 2018. Changes in metal speciation and mobility during electrokinetic treatment of industrial wastes: implications for remediation and resource recovery. Science of the Total Environment 624, pp. 1488-1503. (10.1016/j.scitotenv.2017.12.132)
- Crane, R. A. and Sapsford, D. J. 2018. Selective formation of copper nanoparticles from acid mine drainage using nanoscale zerovalent iron particles. Journal of Hazardous Materials 347, pp. 252-265. (10.1016/j.jhazmat.2017.12.014)
- Blanco, I. et al. 2018. International trials of vertical flow reactors for coal mine water treatment. Mine Water and the Environment 37(1), pp. 4-17.
- Sapsford, D. J. and Tufvesson, S. 2017. Properties of recycled sludge formed from different aluminiferous reagents during the ettringite process. Journal of Water Process Engineering 19, pp. 305-311. (10.1016/j.jwpe.2017.08.016)
- Roberts, M., Sapsford, D., Weightman, A. and Webster, G. 2017. Changes in metal leachability through stimulation of iron reducing communities within waste sludge. Solid State Phenomena 262, pp. 269-272. (10.4028/www.scientific.net/SSP.262.269)
- Crane, R., Sinnett, D. E., Cleall, P. J. and Sapsford, D. J. 2017. Physicochemical composition of wastes and co-located landscape designations at legacy 1 mine sites in south west England and Wales: Implications on resource potential. Resources, Conservation and Recycling 123, pp. 117-134. (10.1016/j.resconrec.2016.08.009)
- Rashid, G., Durán-Peña, M., Rahmanpour, R., Sapsford, D. J. and Bugg, T. 2017. Delignification and enhanced gas release from soil containing lignocellulose by treatment with bacterial lignin degraders. Journal of Applied Microbiology 123(1), pp. 159-171. (10.1111/jam.13470)
- Sapsford, D. J., Cleall, P. and Harbottle, M. 2017. In situ resource recovery from waste repositories: exploring the potential for mobilization and capture of metals from anthropogenic ores. Journal of Sustainable Metallurgy 3(2), pp. 375-392. (10.1007/s40831-016-0102-4)
- Emanuel, D. and Sapsford, D. J. 2016. Fossil rootlet biopores as conduits for contaminant transport through clay horizons: a case study of DNAPL behaviour in Severn alluvium, UK. Environmental Earth Sciences 75(11), article number: 972. (10.1007/s12665-016-5756-5)
- Florence, K., Sapsford, D. J., Johnson, D. B., Kay, C. M. and Wolkersdorfer, C. 2016. Iron-mineral accretion from acid mine drainage and its application in passive treatment. Environmental Technology 37(11), pp. 1428-1440. (10.1080/09593330.2015.1118558)
- Raikova, S. et al. 2016. Assessing hydrothermal liquefaction for the production of bio-oil and enhanced metal recovery from microalgae cultivated on acid mine drainage. Fuel Processing Technology 142, pp. 219-227. (10.1016/j.fuproc.2015.10.017)
- Sutton, A. and Sapsford, D. J. 2016. Physicochemical characterization of sludge originating from vegetable oil–based cutting fluids. Journal of Environmental Engineering 142(1), article number: 4015057. (10.1061/(ASCE)EE.1943-7870.0001014)
- Sapsford, D. J., Santonastaso, M., Thorn, P. and Kershaw, S. 2015. Conversion of coal mine drainage ochre to water treatment reagent: Production, characterisation and application for P and Zn removal. Journal of Environmental Management 160, pp. 7-15. (10.1016/j.jenvman.2015.06.004)
- Sapsford, D. J. 2013. New perspectives on the passive treatment of ferruginous circumneutral mine waters in the UK. Environmental Science and Pollution Research 20(11), pp. 7827-7836. (10.1007/s11356-013-1737-3)
- Zoannou, K., Sapsford, D. J. and Griffiths, A. J. 2013. Thermal degradation of monoethanolamine and its effect on CO2 capture capacity.. International Journal of Greenhouse Gas Control 17, pp. 423-430. (10.1016/j.ijggc.2013.05.026)
- Littler, J., Geroni, J. N., Sapsford, D. J., Coulton, R. and Griffiths, A. J. 2013. Mechanisms of phosphorous removal by cement-bound ochre pellets. Chemosphere 90(4), pp. 1533-1538. (10.1016/j.chemosphere.2012.08.054)
- Geroni, J. N., Cravotta, C. A. and Sapsford, D. J. 2012. Evolution of the chemistry of Fe bearing waters during CO2 degassing. Applied Geochemistry 27(12), pp. 2335-2347. (10.1016/j.apgeochem.2012.07.017)
- Sapsford, D. J., Bowell, R. J., Geroni, J. N., Penman, K. M. and Dey, M. 2012. Factors influencing the release of uranium, thorium, yttrium and rare earth elements from a low grade ore. Minerals Engineering 39, pp. 165-172. (10.1016/j.mineng.2012.08.002)
- Jaafar, I., Griffiths, A. J., Hopkins, A. C., Steer, J. M., Griffiths, M. H. and Sapsford, D. J. 2011. An evaluation of chlorination for the removal of zinc from steelmaking dusts. Minerals Engineering 24(9), pp. 1028-1030. (10.1016/j.mineng.2011.04.026)
- Geroni, J. N. and Sapsford, D. J. 2011. Kinetics of iron (II) oxidation determined in the field. Applied Geochemistry 26(8), pp. 1452-1457. (10.1016/j.apgeochem.2011.05.018)
- Warrender, R. et al. 2011. Field Trials of Low-cost Reactive Media for the Passive Treatment of Circum-neutral Metal Mine Drainage in Mid-Wales, UK. Mine Water and the Environment 30(2), pp. 82-89. (10.1007/s10230-011-0150-8)
- Bowell, R. J., Grogan, J., Hutton-Ashkenny, M., Brough, C. P., Penman, K. M. and Sapsford, D. J. 2011. Geometallurgy of uranium deposits. Minerals Engineering 24(12), pp. 1305-1313. (10.1016/j.mineng.2011.05.005)
- Sapsford, D. J. and Watson, I. 2011. A process-orientated design and performance assessment methodology for passive mine water treatment systems. Ecological Engineering 37(6), pp. 970-975. (10.1016/j.ecoleng.2010.12.010)
- Sapsford, D. J. and Williams, K. P. 2009. Sizing criteria for a low footprint passive mine water treatment system. Water Research 43(2), pp. 423-432. (10.1016/j.watres.2008.10.043)
- Sapsford, D. J., Bowell, R. J., Dey, M. and Williams, K. P. 2009. Humidity cell tests for the prediction of acid rock drainage. Minerals Engineering 22(1), pp. 25-36. (10.1016/j.mineng.2008.03.008)
- Barnes, A., Sapsford, D. J., Dey, M. and Williams, K. P. 2009. Heterogeneous Fe(ii) oxidation and zeta potential. Journal of Geochemical Exploration 100(02-Mar), pp. 192-198. (10.1016/j.gexplo.2008.06.001)
- Sapsford, D. J., Barnes, A., Dey, M., Williams, K. P. and Younger, P. 2007. Low footprint mine water treatment: field demonstration and application. Mine Water and the Environment, Journal of International Mine Water Association 26(4), pp. 243-250. (10.1007/s10230-007-0012-6)
- King, E., Bottrell, S. H., Sapsford, D. J. and Raiswell, R. 2003. Modelling carbon fluxes in a constructed wetland. Land Contamination and Reclamation 11(2), pp. 199-203. (10.2462/09670513.815)
Gwefannau
- Roberts, M., Srivastava, P., Webster, G., Weightman, A. J. and Sapsford, D. J. 2022. Biostimulation of jarosite and iron oxide-bearing mine waste enhances subsequent metal recovery. [Online]. SSRN. (10.2139/ssrn.4229663) Available at: http://dx.doi.org/10.2139/ssrn.4229663
Monograffau
- Younger, P. L. and Sapsford, D. J. 2004. Evaluating the potential impact of opencast coal mining on water quality (Groundwater Regulations 1998). An assessment framework for Scotland. Available at: http://www.sepa.org.uk/water/water_regulation/regimes/groundwater/engineering.aspx
Ymchwil
Contracts
Title | People | Sponsor | Value | Duration |
---|---|---|---|---|
Piloting of a novel chemical-based sulphate removal process | Sapsford D | Siltbuster Ltd | 6330 | 01/06/2013 - 30/11/2013 |
Field testing of a novel phosphate removal technology | Sapsford D, Mahdi T, Geroni J | Welsh Water via Celtic Process Control Ltd | 20000 | 24/08/2012 - 23/02/2013 |
Corrosion Scales in water distruption network | Sapsford D, Wilson C, Mahdi T, Geroni J | Dwr Cymru | 4994 | 12/04/2013 - 11/04/2014 |
Passive treatment of minewater | Sapsford DJ, Williams KP | Coal Authority | 30000 | 01/09/2008 - 01/09/2011 |
Comparison of kinetic "net acid generation" tests with "kappa" tests for prediction of contaminant release from mine wastes | Sapsford DJ, Williams KP | SRK Consulting UK Ltd | 8800 | 01/07/2008 - 01/01/2009 |
Assessment of hydraulic residence times and Fe(II) oxidation kinetics in passive treatment systems | Sapsford DJ, Williams KP, Griffiths AJ | Coal Authority | 14979 | 21/01/2008 - 20/10/2008 |
Leaching and attenuation characteristics of mine waste in high-arctic environments | Williams KP, Sapsford DJ, Griffiths AJ | SRK Consulting UK Ltd | 47820 | 01/01/2008 - 31/12/2008 |
Environmental impact of mine waste in the DRC | Williams KP, Griffiths AJ, Sapsford DJ | SRK Consulting UK Ltd | 8600 | 01/11/2007 - 01/01/2008 |
An investigation of the effect of water quality on iron corrosion in mains distribution systems | Wilson C, Sapsford D, Mahdi TA | WELSH WATER | 1800 | 01/08/2011 - 31/08/2011 |
KTC Environment (Non-Convergence) | McCann DJ, Sapsford D, Williams KP, Griffiths AJ | National Assembly for Wales (A4B) | 128723 | 01/08/2009 - 31/07/2012 |
KTC Environment (Convergence) | McCann DJ, Sapsford D, Williams KP, Griffiths AJ | National Assembly for Wales (A4B) | 160894 | 01/08/2009 - 31/07/2012 |
Geochemical stability of mine waste | Sapsford D | SRK Consulting Ltd | 43275 | 01/11/2013 - 30/04/2015 |
Silverdale project | Sapsford D | Mouchel | 973 | 18/02/2015 - 26/02/2015 |
New technology for mine water treatment | Sapsford D | EPSRC | 53668 | 01/10/2014 - 30/09/2015 |
Influence of geochemical properties on the environmental impacts of mine wastes | Sapsford D, Griffiths AJ, Williams KP | SRK Consulting UK Ltd | 46230 | 01/08/2009 - 31/07/2011 |
Potentailly problematic element (PPE) release from gold mine tailings in a tropical environment | Sapsford D, Griffiths AJ, Williams KP | SRK Consulting UK Ltd | 20000 | 01/08/2009 - 31/07/2010 |
Research into parameters that influence the performance of passive mine water treatment schemes | Sapsford D, Williams KP | Coal Authority | 8500 | 24/07/2009 - 31/12/2009 |
Optimisation of hydrometallurgical extraction of uranium from low grade ores | Sapsford D, Williams KP | SRK Consulting UK Ltd | 10000 | 01/07/2009 - 31/12/2010 |
Testing and Development of a Novel Water Treatment Technology for the Removal of Dissolved Contaminants | Sapsford D, Williams KP, Griffiths AJ | Cardiff Partnership Fund | 4981 | 01/08/2009 - 31/10/2009 |
Modelling the Occurrence of Scale Precipitation in Waste Water Treatment Works | Sapsford D, Williams KP, Griffiths AJ | Imtech Process Ltd | 5377 | 01/08/2009 - 31/07/2010 |
Laboratory simulation and optimisation of underground uranium bioleaching | Sapsford D, Williams KP, Griffiths AJ | SRK Consulting | 10000 | 01/02/2010 - 31/01/2011 |
Pollution prevention guide for land owners and users of metal mines | Sapsford D, Brabham P (EARTH) | Environment Agency | 1956 | 07/02/2011 - 06/08/2011 |
Investigation into the feasibility of using seawater to treat acid mine drainage | Sapsford D, Brabham P (Earth) | Natural Resources Wales (NRW) | 2110 | 01/06/2014 - 31/10/2014 |
An investigation into the chemical weathering characteristics of mine wastes | Sapsford D, Griffiths A J | SRK Consulting | 61992 | 01/10/2010 - 31/03/2012 |
In Situ Recovery of Resources from Waste Repositories | Sapsford D, Griffiths A, Harbottle M, Mahdi T, Cleall P | NERC | 56803 | 01/04/2013 - 30/09/2013 |
Investigation into Tar Contamination in the Blaenaovon mine water treatment scheme | Sapsford D, Harbottle M | The Coal Authority | 2090 | 01/03/2011 - 31/08/2011 |
To develop Ford's capacity in resource efficiency and environmental performance through improvements in waste management and effluent treatment | Sapsford D, Harbottle M | KTP and Ford Motor Company Ltd | 125710 | 01/09/2010 - 31/08/2012 |
In situ recovery of resources from waste repositories | Sapsford D, Harbottle M, Cleall P, Mahdi T, Weightman A (BIOSI) | NERC | 671454 | 02/06/2014 - 01/06/2017 |
Manipulation of iron geochemistry for the remediation of metal mine drainage | Sapsford D, Mahdi T | Natural Resources Wales NRW | 20786 | 26/01/2015 - 31/07/2015 |
Geochemical characterisationof mine waste for mine waste management | Sapsford D, Mahdi T | SRK Ltd | 5000 | 15/10/2014 - 14/10/2015 |
The effect of carbon dioxide degassing on reducing reagent consumption during water treatment | Sapsford D, Mahdi T | Maelgwyn Mineral Services Ltd | 4015 | 10/04/2011 - 31/01/2011 |
Accelerated weathering of mine wastes - Sahavaara HCT | Sapsford D, Mahdi T | SRK Consulting Ltd | 10500 | 01/02/2015 - 30/09/2015 |
Hydroventuri Device: Assessment, development and demonstration of its gas exchange and hydropower technology and development of associated know-how and commercialisation support tools. | O'Doherty DM, O'Doherty T, Sapsford D | Hydroventuri Ltd | 60000 | 01/10/2010 - 30/09/2013 |
Biological reactors as replacement to activated carbon filters for the treatment of contaminated groundwater | Harbottle M, Sapsford D, Mahdi T | Celtic Technologies | 25000 | 01/11/2010 - 31/10/2011 |
SEREN | Thomas HR, Williams KP, Sapsford D, Tripathy S, Griffiths AJ | Welsh European Funding Office, British Geological Survey | 5576619 | 01/03/2010 - 30/06/2015 |
Supervised Students
Title | Student | Status | Degree |
---|---|---|---|
Biopreciption of Heavy Metals and Radionuclides with Calcium Carbonate in Aqueous Solutions and Particulate Media | MUGWAR Ahmed | Thesis Submitted | PhD |
Developmemt Of A Methodology For The Physiochemical Charaterisation Of A Cutting Fluid Based Sludge | SUTTON Alex | Graduate | MPhil |
DEVELOPMENT OF BESPOKE DESIGN CRITERIA FOR MINE WATER TREATMENT. | SUTTON Alex | Current | PhD |
NEW TECHNOLOGIES FOR THE REMOVAL OF PHOSPHATES FROM WASTEWATER | ALKHAZRAJI Ban | Current | PhD |
IN SITU PROCESSES IN RESOURCE EXTRACTION FROM WASTE REPOSITORIES | PEPPICELLI Claudia | Current | PhD |
The Transporrt Behaviour Of Coal Tar & Creosote In Severn Estuary Alluvium | EMANUEL David | Graduate | MPhil |
An Investigation Into Parameters Affecting The Production Of UCG Gas | KONSTANTINOU Eleni | Current | PhD |
PARTITIONING OF REES IN RESOURCE PROCESSING AND MINE ENVIRONMENTS. | SMART Geoffrey David | Current | PhD |
Rates And Mechanisms Of Chemical Processes Affecting The Treatment Of Ferruginous Mine Water | GERONI Jennifer | Graduate | PhD |
Mechanisms of the Removal of Metals from Acid and Neutral Mine Water under varying Redox Systems | FLORENCE Kay | Graduate | PhD |
The Optomisation of Stope Leaching: A Laboratory Investigation Into The Extraction Of Uranium From A Low-Grade Ore | PENMAN Kristina | Graduate | MPhil |
In situ processes in resource extraction from waste repositories. | ROBERTS Mark Thomas | Current | PhD |
STRUCTURAL AND GEOENVIRONMENTAL APPLICATION APPLICATIONS OF WASTE QUARRY DUST | PILEGIS Martins | Graduate | PhD |
From Threat to Asset: Water In Sdteelworks How Modern Steelworks Can Improve Water Related Performance Via Benchmarking And development Of High Density Sludge (HDS) Process | SUVIO VIRTANEN Piia Katariina | Graduate | EngD |
Treatment of oily wastewater. Specialisation - biochemical engineering/water treatment (fermentation) | AL OBAIDI Safaa Abdalrasool Ali | Current | PhD |
Methodologies for the prediction and evaluation of potential resources within landfills | WARWICK Steven John | Current | PhD |
Addysgu
Ar hyn o bryd rwy'n addysgu Peirianneg Amgylcheddol (2il flwyddyn), Rheoli ac Ailgylchu Gwastraff (MSc), Cemeg Pridd a Dŵr Daear (MSc) a phrosiectau mawr (3edd flwyddyn) a phrosiectau traethawd hir MSc
Bywgraffiad
Trosolwg gyrfa:
- Athro yn yr Ysgol Peirianneg, Prifysgol Caerdydd (2022 - presennol)
- Darllenydd yn yr Ysgol Peirianneg, Prifysgol Caerdydd (2017 - 2022)
- Uwch Ddarlithydd yn yr Ysgol Peirianneg, Prifysgol Caerdydd (2013 - 2017)
- Darlithydd yn yr Ysgol Peirianneg, Prifysgol Caerdydd (2009 - 2013)
- Cydymaith Ymchwil mewn Peirianneg Amgylcheddol, Prifysgol Caerdydd (2008 – 2009)
- Cyfieithydd Technoleg yn yr Ysgol Peirianneg, Prifysgol Caerdydd (2007 - 2008)
- Cydymaith Ymchwil mewn Peirianneg Amgylcheddol, Prifysgol Caerdydd (2004 – 2007)
Tîm Ymchwil @2024
Postdoc Research Associates:
Dr. Pallavee Srivastrava
Myfyrwyr PhD:
Rachel Seddon
Zongqiang Ren (cyd-oruchwyliwr)
Yao Fu (cyd-oruchwyliwr)
Khaled Alshehri (cyd-oruchwyliwr)
Zhenghui Gao (cyd-oruchwyliwr)
Holly-Anne Smith (cyd-oruchwyliwr)
Nailah Altuwairgi (cyd-oruchwyliwr)
Meysydd goruchwyliaeth
Teitl | Myfyriwr | Statws | Gradd |
Carbonation Gwastraff Mwyngloddi: Dulliau Profi Labordy Ymarferol i Asesu'r cyfle deuol ar gyfer Dal Carbon a Lliniaru AMD | Rhys Savage | Cerrynt | Phd |
Triniaeth Dŵr Mwynglawdd Goddefol | Nik Azhar | Cerrynt | Phd |
Mewn Prosesau Situ wrth Echdynnu Adnoddau o Storfeydd Gwastraff | PEPPICELLI Claudia | Cerrynt | Phd |
Asesiad o berfformiad Systemau Draenio Cynaliadwy (SuDS) wrth wella ansawdd dŵr | Nailah Altuwairgi | Cerrynt | Phd |
Methodolegau ar gyfer darogan a gwerthuso adnoddau posibl o fewn safleoedd tirlenwi | WARWICK Steven John | Cerrynt | Phd |
Dibyniaeth Metelau Trwm a Radionuclidau gyda Calsiwm Carbonad mewn Atebion Dyfrllyd a'r Cyfryngau Gronynnol | MUGWAR Ahmed | Graddedig | Phd |
Datblygu Methodoleg ar gyfer nodweddu ffisiocemegol slwtsh hylifol torri | SUTTON Alex | Graddedig | Mphil |
Datblygu Meini Prawf Dylunio Pwrpasol ar gyfer Trin Dŵr Mwynglawdd | SUTTON Alex | Graddedig | Phd |
Technolegau Newydd ar gyfer Tynnu Ffosffadau o Dŵr Gwastraff | ALKHAZRAJI Ban | Graddedig | Phd |
Ymddygiad Trafnidiaeth Tar Glo a Creosote yn Alluvium Aber Hafren | EMANUEL David | Graddedig | Mphil |
Ymchwiliad i baramedrau sy'n effeithio ar gynhyrchu nwy UCG | KONSTANTINOU Eleni | Graddedig | Phd |
Cyfraddau a mecanweithiau prosesau cemegol sy'n effeithio ar drin dŵr mwynglawdd gwrrugol | GERONI Jennifer | Graddedig | Phd |
Mecanweithiau Tynnu Metelau o Dŵr Mwynglawdd Asid a Niwtral o dan amrywiol Systemau Redox | FLORENCE Kay | Graddedig | Phd |
Optimeiddio Stope Leaching: Ymchwiliad labordy i echdynnu wraniwm o fwyn gradd isel | PENMAN Kristina | Graddedig | Mphil |
Diddymu Microbaidd In-Situ Gwastraff Mwynau Haearn ar gyfer Adfer Metel | ROBERTS Mark Thomas | Graddedig | Phd |
Ceisiadau Strwythurol a Geoamgylcheddol Llwch Chwarel Gwastraff | PILEGIS Martins | Graddedig | Phd |
O Fygythiad i Ased: Dŵr mewn Sdteelworks Sut y gall gwaith dur modern wella perfformiad sy'n gysylltiedig â dŵr trwy feincnodi a datblygu proses slwtsh dwysedd uchel (HDS) | SUVIO VIRTANEN Piia Katariina | Graddedig | EngD |
Bioadfer dŵr gwastraff gan ddefnyddio gwastraff haearn ocsid | AL OBAIDI Safaa Abdalrasool Ali | Graddedig | Phd |