Resource recovery and remediation of alkaline wastes

From linear economy legacies to circular economy resources: Maximising the multifaceted values of legacy mineral wastes (2021)
Book Chapter
Mayes, W. M., Hull, S. L., & Gomes, H. I. (2021). From linear economy legacies to circular economy resources: Maximising the multifaceted values of legacy mineral wastes. In A. Stefanakis, & I. Nikolaou (Eds.), Circular Economy and Sustainability Volume 1: Management and Policy (409-431). Elsevier. https://doi.org/10.1016/B978-0-12-819817-9.00009-0

Extractive industries represent the first stage of our global cycles of production and consumption. Environmental legacies associated with mining and mineral processing to all environmental compartments (air, soil, water) are extensive, long-lived, a... Read More about From linear economy legacies to circular economy resources: Maximising the multifaceted values of legacy mineral wastes.

Hydrogenotrophic Methanogenesis Under Alkaline Conditions (2020)
Journal Article
Wormald, R. M., Rout, S. P., Mayes, W., Gomes, H., & Humphreys, P. N. (2020). Hydrogenotrophic Methanogenesis Under Alkaline Conditions. Frontiers in Microbiology, 11, Article 614227. https://doi.org/10.3389/fmicb.2020.614227

A cement-based geological disposal facility (GDF) is one potential option for the disposal of intermediate level radioactive wastes. The presence of both organic and metallic materials within a GDF provides the opportunity for both acetoclastic and h... Read More about Hydrogenotrophic Methanogenesis Under Alkaline Conditions.

Stakeholder identification and engagement in problem structuring interventions (2019)
Journal Article
Gregory, A. J., Atkins, J. P., Midgley, G., & Hodgson, A. (2020). Stakeholder identification and engagement in problem structuring interventions. European journal of operational research, 283(1), 321-340. https://doi.org/10.1016/j.ejor.2019.10.044

© 2019 The Authors This paper addresses the under-researched issue of stakeholder identification and engagement in problem structuring interventions. A concise framework is proposed to aid critical reflection in the design and reporting of stakeholde... Read More about Stakeholder identification and engagement in problem structuring interventions.

Resource Recovery from Wastes: Towards a Circular Economy (2019)
Book
Macaskie, L. E., Sapsford, D. J., & Mayes, W. M. (Eds.). (2020). Resource Recovery from Wastes: Towards a Circular Economy. Royal Society of Chemistry. https://doi.org/10.1039/9781788016353

The concept of a circular economy has been gaining increasing attention in recent years. Many of the sources of chemicals we have become reliant on are dwindling and the accumulation of waste products poses a serious environmental problem. By recover... Read More about Resource Recovery from Wastes: Towards a Circular Economy.

Governing Resource Flows in a Circular Economy: Rerouting Materials in an Established Policy Landscape (2019)
Book Chapter
Deutz, P., Baxter, H., & Gibbs, D. (2019). Governing Resource Flows in a Circular Economy: Rerouting Materials in an Established Policy Landscape. In L. E. Macaskie, D. J. Sapsford, & W. M. Mayes (Eds.), Resource Recovery from Wastes: Towards a Circular Economy (375-394). Royal Society of Chemistry. https://doi.org/10.1039/9781788016353-00375

The development of a Circular Economy, whereby resources are kept in circulation for the extraction of maximum value, has captured extensive policy and academic attention. The circularisation of material flows is likely to prove a task for a generati... Read More about Governing Resource Flows in a Circular Economy: Rerouting Materials in an Established Policy Landscape.

A New Perspective on a Global Circular Economy (2019)
Book Chapter
Velenturf, A. P. M., Purnell, P., Macaskie, L. E., Mayes, W. M., & Sapsford, D. J. (2020). A New Perspective on a Global Circular Economy. In Resource recovery from wastes : towards a circular economy (3-22). Royal Society of Chemistry. https://doi.org/10.1039/9781788016353-00001

© The Royal Society of Chemistry 2020. Natural resource exploitation is accelerating in the face of resource decline, while at the same time people are generating ever growing quantities of wastes. Population and income growth drive up the demand for... Read More about A New Perspective on a Global Circular Economy.

Integrating Remediation and Resource Recovery of Industrial Alkaline Wastes: Case Studies of Steel and Alumina Industry Residues (2019)
Book Chapter
Gomes, H. I., Rogerson, M., Courtney, R., & Mayes, W. M. (2020). Integrating Remediation and Resource Recovery of Industrial Alkaline Wastes: Case Studies of Steel and Alumina Industry Residues. In Resource recovery from wastes: towards a circular economy (168-191). Royal Society of Chemistry. https://doi.org/10.1039/9781788016353-00168

With an estimated annual production of two billion tonnes globally, alkaline industrial wastes can be considered both major global waste streams, and materials that offer significant options for potential resource recovery. Alkaline wastes are usuall... Read More about Integrating Remediation and Resource Recovery of Industrial Alkaline Wastes: Case Studies of Steel and Alumina Industry Residues.

Constructed wetlands for steel slag leachate management: Partitioning of arsenic, chromium, and vanadium in waters, sediments, and plants (2019)
Journal Article
Gomes, H., Mayes, W. M., Whitby, P., & Rogerson, M. (2019). Constructed wetlands for steel slag leachate management: Partitioning of arsenic, chromium, and vanadium in waters, sediments, and plants. Journal of environmental management, 243, 30-38. https://doi.org/10.1016/j.jenvman.2019.04.127

© 2019 The Authors Constructed wetlands can treat highly alkaline leachate resulting from the weathering of steel slag before reuse (e.g. as aggregate)or during disposal in repositories and legacy sites. This study aimed to assess how metal(loid)s s... Read More about Constructed wetlands for steel slag leachate management: Partitioning of arsenic, chromium, and vanadium in waters, sediments, and plants.

Vanadium: A re-emerging environmental hazard (2018)
Journal Article
Watt, J. A., Burke, I. T., Edwards, R. A., Malcolm, H. M., Mayes, W. M., Olszewska, J. P., Pan, G., Graham, M. C., Heal, K. V., Rose, N. L., Turner, S. D., & Spears, B. M. (2018). Vanadium: A re-emerging environmental hazard. Environmental Science and Technology, 52(21), 11973-11974. https://doi.org/10.1021/acs.est.8b05560

Vanadium (V) is a contaminant which has been long confined to the annals of regulatory history. This follows the reduction of its historical primary source (fossil fuel emissions) since the 1970s (e.g., by 80% in the UK). However, V is quickly becomi... Read More about Vanadium: A re-emerging environmental hazard.

Options for managing alkaline steel slag leachate: A life cycle assessment (2018)
Journal Article
Gomes, H. I., Mayes, W. M., Baxter, H. A., Jarvis, A. P., Burke, I. T., Stewart, D. I., & Rogerson, M. (2018). Options for managing alkaline steel slag leachate: A life cycle assessment. Journal of cleaner production, 202, 401-412. https://doi.org/10.1016/j.jclepro.2018.08.163

Management of steel slag (a major by-product of the steel industry) includes the treatment of highly alkaline leachate (pH > 11.5) from rainwater infiltration of slag deposits to prevent adverse impact upon surface or ground waters. This study aims t... Read More about Options for managing alkaline steel slag leachate: A life cycle assessment.