All Outputs (18)

Spatial variability of metal(loid) leaching from coastal colliery wastes under freshwater and saline water conditions (2025)
Journal Article
Gandy, C., Burke, I., Byrne, P., Cooper, N., Crane, R., Hudson-Edwards, K., Mayes, W., Onnis, P., Riley, A., & Jarvis, A. (2025). Spatial variability of metal(loid) leaching from coastal colliery wastes under freshwater and saline water conditions. Journal of environmental management, 376, Article 124489. https://doi.org/10.1016/j.jenvman.2025.124489

Historical disposal of coal mine wastes in the coastal zone has left a significant environmental pollution legacy. Climate change is increasing the likelihood that erosion of these wastes will lead to release of metal(loid)s to coastal environments.... Read More about Spatial variability of metal(loid) leaching from coastal colliery wastes under freshwater and saline water conditions.

Spatial and temporal (annual and decadal) trends of metal(loid) concentrations and loads in an acid mine drainage-affected river (2025)
Journal Article
Jennings, E., Onnis, P., Crane, R., Comber, S. D. W., Byrne, P., Riley, A. L., Mayes, W. M., Jarvis, A. P., & Hudson-Edwards, K. A. (2025). Spatial and temporal (annual and decadal) trends of metal(loid) concentrations and loads in an acid mine drainage-affected river. Science of the Total Environment, 964, Article 178496. https://doi.org/10.1016/j.scitotenv.2025.178496

Acid mine drainage (AMD) is a worldwide problem that degrades river systems and is difficult and expensive to remediate. To protect affected catchments, it is vital to understand the behaviour of AMD-related metal(loid) contaminants as a function of... Read More about Spatial and temporal (annual and decadal) trends of metal(loid) concentrations and loads in an acid mine drainage-affected river.

Carbon dioxide removal could result in the use of lower-grade iron ore in a decarbonized net-negative emission steel industry (2024)
Journal Article
Renforth, P., Campbell, J., Foteinis, S., Cosgun, E., Young, J., Strunge, T., Riley, A. L., Mayes, W. M., & van der Spek, M. W. (2024). Carbon dioxide removal could result in the use of lower-grade iron ore in a decarbonized net-negative emission steel industry. Journal of cleaner production, 468, Article 142987. https://doi.org/10.1016/j.jclepro.2024.142987

Reducing the emissions from steel production is essential in meeting climate targets while maintaining economic prosperity. Here we show that applying deep emissions mitigation to the steel industry together with the reaction of by-product slag with... Read More about Carbon dioxide removal could result in the use of lower-grade iron ore in a decarbonized net-negative emission steel industry.

PFAS River Export Analysis Highlights the Urgent Need for Catchment-Scale Mass Loading Data (2024)
Journal Article
Byrne, P., Mayes, W. M., James, A. L., Comber, S., Biles, E., Riley, A. L., & Runkel, R. L. (2024). PFAS River Export Analysis Highlights the Urgent Need for Catchment-Scale Mass Loading Data. Environmental Science and Technology Letters, 11(3), 266–272. https://doi.org/10.1021/acs.estlett.4c00017

Source apportionment of per- and polyfluoroalkyl substances (PFAS) requires an understanding of the mass loading of these compounds in river basins. However, there is a lack of temporally variable and catchment-scale mass loading data, meaning identi... Read More about PFAS River Export Analysis Highlights the Urgent Need for Catchment-Scale Mass Loading Data.

Environmental behaviour of iron and steel slags in coastal settings (2024)
Journal Article
Riley, A. L., Cameron, J., Burke, I. T., Onnis, P., Macdonald, J. M., Gandy, C. J., Crane, R. A., Byrne, P., Comber, S., Jarvis, A. P., Hudson-Edwards, K. A., & Mayes, W. M. (2024). Environmental behaviour of iron and steel slags in coastal settings. Environmental science and pollution research, https://doi.org/10.1007/s11356-024-33897-4

Iron and steel slags have a long history of both disposal and beneficial use in the coastal zone. Despite the large volumes of slag deposited, comprehensive assessments of potential risks associated with metal(loid) leaching from iron and steel by-pr... Read More about Environmental behaviour of iron and steel slags in coastal settings.

The Contribution of Major Historical Orefields to Coastal Trace Metal(loid) Fluxes in North-East England (2023)
Presentation / Conference Contribution
Riley, A. L., Onnis, P., Gandy, C. J., Kanu, C. V., Umeobika, C. V., Cameron, J., Burke, I. T., Hudson-Edwards, K. A., Jarvis, A. P., & Mayes, W. M. (2023, July). The Contribution of Major Historical Orefields to Coastal Trace Metal(loid) Fluxes in North-East England. Presented at IMWA 2023 – ”Y Dyfodol | The Future”, Newport, Wales

Mine waters and tailings are key inputs to riverine metal(loid) transport to the coast. However, coastal areas also face local contaminant pressures, e.g. active industries and abandoned landfill sites. Annual riverine metal(loid) flux data were asse... Read More about The Contribution of Major Historical Orefields to Coastal Trace Metal(loid) Fluxes in North-East England.

Eroding coastal landfill sites: the relative contribution of coastal and inland mining wastes to metal flux along a post-industrial coastline (2023)
Presentation / Conference Contribution
Riley, A., Onnis, P., Gandy, C., Kanu, C., Umeobika, C., Cameron, J., Burke, I., Hudson-Edwards, K., Jarvis, A., & Mayes, W. (2023, July). Eroding coastal landfill sites: the relative contribution of coastal and inland mining wastes to metal flux along a post-industrial coastline. Presented at Goldschmidt2023, Lyon, France

Historically, coastal areas of the United Kingdom were extensively used for the disposal of wastes from a range of municipal and industrial sources, including coal mining, metal mining, and mineral processing. Many of these deposits are releasing met... Read More about Eroding coastal landfill sites: the relative contribution of coastal and inland mining wastes to metal flux along a post-industrial coastline.

Quantifying CO2 Removal at Enhanced Weathering Sites: a Multiproxy Approach (2023)
Journal Article
Knapp, W. J., Stevenson, E. I., Renforth, P., Ascough, P. L., Knight, A. C., Bridgestock, L., Bickle, M. J., Lin, Y., Riley, A. L., Mayes, W. M., & Tipper, E. T. (2023). Quantifying CO2 Removal at Enhanced Weathering Sites: a Multiproxy Approach. Environmental Science and Technology, 57(26), 9854-9864. https://doi.org/10.1021/acs.est.3c03757

Enhanced weathering is a carbon dioxide (CO2) mitigation strategy that promises large scale atmospheric CO2 removal. The main challenge associated with enhanced weathering is monitoring, reporting, and verifying (MRV) the amount of carbon removed as... Read More about Quantifying CO2 Removal at Enhanced Weathering Sites: a Multiproxy Approach.

Incorporating conceptual site models into national-scale environmental risk assessments for legacy waste in the coastal zone (2022)
Journal Article
Riley, A. L., Amezaga, J., Burke, I. T., Burke, I., Byrne, P., Cooper, N., Crane, R., Crane, R. A., Comber, S., Comber, S. D., Gandy, C., Gandy, C. J., Hudson-Edwards, K., Hudson-Edwards, K. A., Jennings, E., Lewis, E., Lofts, S., MacDonald, J., MacDonald, J. M., Malcolm, H., …Jarvis, A. (2022). Incorporating conceptual site models into national-scale environmental risk assessments for legacy waste in the coastal zone. Frontiers in Environmental Science, 10, Article 1045482. https://doi.org/10.3389/fenvs.2022.1045482

Solid wastes deposited in the coastal zone that date from an era of lax environmental regulations continue to pose significant challenges for regulators and coastal managers worldwide. The increasing risk of contaminant release from these legacy disp... Read More about Incorporating conceptual site models into national-scale environmental risk assessments for legacy waste in the coastal zone.

Prioritised Coastal Legacy Waste Dataset (England and Wales) (2022)
Data
Riley, A., Amezaga, J., Burke, I., Byrne, P., Cooper, N., Crane, R., Comber, S., Gandy, C., Hudson-Edwards, K., Jennings, E., Lewis, E., Lofts, S., MacDonald, J., Malcolm, H., Mayes, W., Onnis, P., Olszewska, J., Spears, B., & Jarvis, A. (2022). Prioritised Coastal Legacy Waste Dataset (England and Wales). [Data]

Supporting data for:
Riley et al., 2022. Incorporating conceptual site models into national-scale environmental risk assessments for legacy waste in the coastal zone. Frontiers in Environmental Science, 10:1045482.

CSV dataset of legacy landfill... Read More about Prioritised Coastal Legacy Waste Dataset (England and Wales).

Selective Recovery of Copper from a Synthetic Metalliferous Waste Stream Using the Thiourea-Functionalized Ion Exchange Resin Puromet MTS9140 (2021)
Journal Article
Riley, A. L., Porter, C. P., & Ogden, M. D. (2021). Selective Recovery of Copper from a Synthetic Metalliferous Waste Stream Using the Thiourea-Functionalized Ion Exchange Resin Puromet MTS9140. Eng, 2(4), 512-530. https://doi.org/10.3390/eng2040033

The extraction of Cu from mixed-metal acidic solutions by the thiourea-functionalized resin Puromet MTS9140 was studied. Despite being originally manufactured for precious metal recovery, a high selectivity towards Cu was observed over other first-ro... Read More about Selective Recovery of Copper from a Synthetic Metalliferous Waste Stream Using the Thiourea-Functionalized Ion Exchange Resin Puromet MTS9140.

A GIS-Based Prioritisation of Coastal Legacy Mine Spoil Deposits in England and Wales for Effective Future Management (2021)
Presentation / Conference Contribution
Riley, A., Onnis, P., Jennings, E., Crane, R., Hudson-Edwards, K., Comber, S., Burke, I., Byrne, P., Gandy, C., Jarvis, A., & Mayes, W. (2021, July). A GIS-Based Prioritisation of Coastal Legacy Mine Spoil Deposits in England and Wales for Effective Future Management. Presented at IMWA 2021, Newport, Wales

Increases in coastal flooding and erosion due to climate change threaten many coastal mine waste deposits in the UK. As such, a robust approach to prioritising sites for management is required. A spatial dataset of 9094 mine spoil deposits in Englan... Read More about A GIS-Based Prioritisation of Coastal Legacy Mine Spoil Deposits in England and Wales for Effective Future Management.

Legacy iron and steel wastes in the UK: Extent, resource potential, and management futures (2020)
Journal Article
Riley, A. L., MacDonald, J. M., Burke, I. T., Renforth, P., Jarvis, A. P., Hudson-Edwards, K. A., McKie, J., & Mayes, W. M. (2020). Legacy iron and steel wastes in the UK: Extent, resource potential, and management futures. Journal of Geochemical Exploration, 219, Article 106630. https://doi.org/10.1016/j.gexplo.2020.106630

The iron and steel industry has a long tradition of bulk reuse of slags for a range of construction applications. Growing interest in recent years has seen slag resource recovery options extend to critical raw material recovery and atmospheric carbon... Read More about Legacy iron and steel wastes in the UK: Extent, resource potential, and management futures.

Impact of copper(II) on activation product removal from reactor decommissioning effluents in South Korea (2019)
Journal Article
Amphlett, J. T., Pepper, S. E., Riley, A. L., Harwood, L. M., Cowell, J., Whittle, K. R., Lee, T. S., & Ogden, M. D. (2020). Impact of copper(II) on activation product removal from reactor decommissioning effluents in South Korea. Journal of Industrial and Engineering Chemistry, 82, 261-268. https://doi.org/10.1016/j.jiec.2019.10.022

Decommissioning is one of the most important phases in the life of a nuclear reactor, having a major influence on public perception of such technology. Therefore, development of technologies that make decommissioning more safe, effective and efficien... Read More about Impact of copper(II) on activation product removal from reactor decommissioning effluents in South Korea.

Behaviour and fate of vanadium during the aerobic neutralisation of hyperalkaline slag leachate (2018)
Journal Article
Hobson, A. J., Stewart, D. I., Bray, A. W., Mortimer, R. J., Mayes, W. M., Riley, A. L., Rogerson, M., & Burke, I. T. (2018). Behaviour and fate of vanadium during the aerobic neutralisation of hyperalkaline slag leachate. Science of the Total Environment, 643, 1191-1199. https://doi.org/10.1016/j.scitotenv.2018.06.272

© 2018 Vanadium is a toxic metal present in alkaline leachates produced during the weathering of steel slags. Slag leaching can therefore have deleterious effects on local watercourses due to metal toxicity, the effects of the high pH (9–12.5) and ra... Read More about Behaviour and fate of vanadium during the aerobic neutralisation of hyperalkaline slag leachate.

Atmospheric CO2 sequestration in iron and steel slag: Consett, Co. Durham, UK (2018)
Journal Article
Mayes, W. M., Riley, A. L., Gomes, H., Brabham, P., Hamlyn, J., Pullin, H., & Renforth, P. (2018). Atmospheric CO2 sequestration in iron and steel slag: Consett, Co. Durham, UK. Environmental Science and Technology, 52(14), 7892-7900. https://doi.org/10.1021/acs.est.8b01883

Carbonate formation in waste from the steel industry could constitute a non-trivial proportion of global requirements to remove carbon dioxide from the atmosphere at potentially low cost. To constrain this potential, we examined atmospheric carbon di... Read More about Atmospheric CO2 sequestration in iron and steel slag: Consett, Co. Durham, UK.

Metal recovery from jarosite waste – A resin screening study (2017)
Journal Article
Riley, A. L., Pepper, S. E., Canner, A. J., Brown, S. F., & Ogden, M. D. (2018). Metal recovery from jarosite waste – A resin screening study. Separation Science and Technology, 53(1), 22-35. https://doi.org/10.1080/01496395.2017.1378679

Work has been carried out screening hydrometallurgical resins for application in the valorization of industrially produced jarosite. Of the seven resins tested, anion exchange resins performed poorly for valuable metal recovery. Purolite S950+ and S9... Read More about Metal recovery from jarosite waste – A resin screening study.

Long-term evolution of highly alkaline steel slag drainage waters (2015)
Journal Article
Riley, A. L., & Mayes, W. M. (2015). Long-term evolution of highly alkaline steel slag drainage waters. Environmental monitoring and assessment, 187(7), Article ARTN 463. https://doi.org/10.1007/s10661-015-4693-1

© 2015, Springer International Publishing Switzerland. The disposal of slag generated by the steel industry can have negative consequences upon the surrounding aquatic environment by the generation of high pH waters, leaching of potentially problemat... Read More about Long-term evolution of highly alkaline steel slag drainage waters.