All Outputs (26)

Ikaite formation in streams affected by steel waste leachate: First report and potential impact on contaminant dynamics (2023)
Journal Article
Bastianini, L., Rogerson, M., Brasier, A., Prior, T. J., Hardman, K., Dempsey, E., Bird, A., & Mayes, W. M. (2024). Ikaite formation in streams affected by steel waste leachate: First report and potential impact on contaminant dynamics. Chemical Geology, 644, Article 121842. https://doi.org/10.1016/j.chemgeo.2023.121842

Highly alkaline (pH 9–12) waters can arise from a range of globally significant and environmentally impactful industrial processes such as lime, steel and cement production, alumina refining and energy generation (e.g. combustion ashes). Such residue... Read More about Ikaite formation in streams affected by steel waste leachate: First report and potential impact on contaminant dynamics.

What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study (2021)
Journal Article
Bastianini, L., Rogerson, M., Mercedes-Martín, R., Prior, T. J., & Mayes, W. M. (in press). What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study. The Depositional Record, https://doi.org/10.1002/dep2.168

This study aims to compare the fabrics of anthropogenic carbonates downstream of lime and steel disposal sites with models of carbonate precipitation from natural systems to elucidate potential drivers, precipitation mechanisms, morphological similar... Read More about What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study.

Interaction of temperature, salinity and extracellular polymeric substances controls trace element incorporation into tufa calcite (2021)
Journal Article
Rogerson, M., Pedley, H. M., Greenway, G. M., & Wadhawan, J. D. (in press). Interaction of temperature, salinity and extracellular polymeric substances controls trace element incorporation into tufa calcite. The Depositional Record, https://doi.org/10.1002/dep2.160

The influence of extracellular polymeric substances on carbonate mineral growth in natural settings remains one of the most poorly understood contributors to the growth of non-marine carbonate sediments. The influences of these materials are complica... Read More about Interaction of temperature, salinity and extracellular polymeric substances controls trace element incorporation into tufa calcite.

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.

Enhanced Mediterranean water cycle explains increased humidity during MIS 3 in North Africa (2019)
Journal Article
Rogerson, M., Dublyansky, Y., Hoffman, D. L., Luetscher, M., Töchterle, P., & Spötl, C. (2019). Enhanced Mediterranean water cycle explains increased humidity during MIS 3 in North Africa. Climate of the Past, 15, 1757–1769. https://doi.org/10.5194/cp-2018-134

We report a new fluid inclusion dataset from Northeast Libyan speleothem SC-06-01, which is the largest speleothem fluid inclusion dataset for North Africa to date. The stalagmite was sampled in Susah cave, a low altitude coastal site, in Cyrenaica,... Read More about Enhanced Mediterranean water cycle explains increased humidity during MIS 3 in North Africa.

What Causes Carbonates to Form “Shrubby” Morphologies? An Anthropocene Limestone Case Study (2019)
Journal Article
Bastianini, L., Rogerson, M., Mercedes-Martín, R., Prior, T. J., Cesar, E. A., & Mayes, W. M. (2019). What Causes Carbonates to Form “Shrubby” Morphologies? An Anthropocene Limestone Case Study. Frontiers in Earth Science, 7, Article 236. https://doi.org/10.3389/feart.2019.00236

The South Atlantic Aptian “Pre-Salt” shrubby carbonate successions offshore Brazil and Angola are of major interest due to their potential hydrocarbon accumulations. Although the general sedimentology of these deposits is widely recognized to be with... Read More about What Causes Carbonates to Form “Shrubby” Morphologies? An Anthropocene Limestone Case Study.

Optimization Routes for the Bioleaching of MSWI Fly and Bottom Ashes Using Microorganisms Collected from a Natural System (2019)
Journal Article
Funari, V., Gomes, H. I., Cappelletti, M., Fedi, S., Dinelli, E., Rogerson, M., Mayes, W. M., & Rovere, M. (2019). Optimization Routes for the Bioleaching of MSWI Fly and Bottom Ashes Using Microorganisms Collected from a Natural System. Waste and biomass valorization, 10(12), 3833-3842. https://doi.org/10.1007/s12649-019-00688-9

This paper presents a route for the treatment of MSWI fly (FA) and bottom ashes (BA) using microorganisms to critically assess whether bioleaching is within reach of effective industrial application. The leaching of metals from BA and FA was investig... Read More about Optimization Routes for the Bioleaching of MSWI Fly and Bottom Ashes Using Microorganisms Collected from a Natural System.

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.

Mediterranean isolation preconditioning the Earth System for late Miocene climate cooling (2019)
Journal Article
Capella, W., Flecker, R., Hernández-Molina, F. J., Simon, D., Meijer, P. T., Rogerson, M., Sierro, F. J., & Krijgsman, W. (in press). Mediterranean isolation preconditioning the Earth System for late Miocene climate cooling. Scientific reports, 9, Article 3795. https://doi.org/10.1038/s41598-019-40208-2

© 2019, The Author(s). A global Neogene cooling trend culminated ~7 million years ago with the onset of Greenland glaciation. Increased ocean-atmosphere interaction and low- to high-latitude circulation are thought to be key factors in reorganizing... Read More about Mediterranean isolation preconditioning the Earth System for late Miocene climate cooling.

Handheld portable FTIR spectroscopy for the triage of micro and meso sized plastics in the marine environment incorporating an accelerated weathering study and an aging estimation (2019)
Journal Article
McCumskay, R., Tang, P. L., Mckumskay, R., Rogerson, M., Waller, C., & Forster, R. (2019). Handheld portable FTIR spectroscopy for the triage of micro and meso sized plastics in the marine environment incorporating an accelerated weathering study and an aging estimation. Spectroscopy, 34(2), 54-60. https://doi.org/10.1016/j.marpolbul.2020.111364

Debris in the marine environment can be either natural, such as floating vegetation or volcanic ash deposits, or man-made. The man-made human sources cover the whole gamut of material types, from sewage, glass, mineral, fabric and, of increasing conc... Read More about Handheld portable FTIR spectroscopy for the triage of micro and meso sized plastics in the marine environment incorporating an accelerated weathering study and an aging estimation.

A window into Africa’s past hydroclimates: The sisal_v1 database contribution (2019)
Journal Article
Braun, K., Nehme, C., Pickering, R., Rogerson, M., & Scroxton, N. (2019). A window into Africa’s past hydroclimates: The sisal_v1 database contribution. Quaternary, 2(1), Article 4. https://doi.org/10.3390/quat2010004

Africa spans the hemispheres from temperate region to temperate region and has a long history of hominin evolution. Although the number of Quaternary palaeoclimatic records from the continent is increasing, much of the history of spatial and temporal... Read More about A window into Africa’s past hydroclimates: The sisal_v1 database contribution.

Leaching behaviour of co-disposed steel making wastes: Effects of aeration on leachate chemistry and vanadium mobilisation (2018)
Journal Article
Hobson, A. J., Stewart, D. I., Mortimer, R. J., Mayes, W. M., Rogerson, M., & Burke, I. T. (2018). Leaching behaviour of co-disposed steel making wastes: Effects of aeration on leachate chemistry and vanadium mobilisation. Waste Management, 81, 1-10. https://doi.org/10.1016/j.wasman.2018.09.046

Steelmaking wastes stored in landfill, such as slag and spent refractory liners, are often enriched in toxic trace metals (including V). These may become mobile in highly alkaline leachate generated during weathering. Fresh steelmaking waste was char... Read More about Leaching behaviour of co-disposed steel making wastes: Effects of aeration on leachate chemistry and vanadium mobilisation.

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.

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. The 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.

A microbial role in the construction of Mono Lake carbonate chimneys? (2018)
Journal Article
Brasier, A., Wacey, D., Rogerson, M., Guagliardo, P., Saunders, M., Kellner, S., Mercedes-Martin, R., Prior, T., Taylor, C., Matthews, A., & Reijmer, J. (2018). A microbial role in the construction of Mono Lake carbonate chimneys?. Geobiology, 16(5), 540-555. https://doi.org/10.1111/gbi.12292

Lacustrine carbonate chimneys are striking, metre‐scale constructions. If these were bioinfluenced constructions, they could be priority targets in the search for early and extraterrestrial microbial life. However, there are questions over whether su... Read More about A microbial role in the construction of Mono Lake carbonate chimneys?.

Recovery of Al, Cr and V from steel slag by bioleaching: batch and column experiments (2018)
Journal Article
Gomes, H. I., Funari, V., Mayes, W. M., Rogerson, M., & Prior, T. J. (2018). Recovery of Al, Cr and V from steel slag by bioleaching: batch and column experiments. Journal of environmental management, 222, 30-36. https://doi.org/10.1016/j.jenvman.2018.05.056

Steel slag is a major by-product of the steel industry and a potential resource of technology critical elements. For this study, a basic oxygen furnace (BOF) steel slag was tested for bacterial leaching and recovery of aluminium (Al), chromium (Cr),... Read More about Recovery of Al, Cr and V from steel slag by bioleaching: batch and column experiments.

Hydration of dicalcium silicate and diffusion through neo-formed calcium-silicate-hydrates at weathered surfaces control the long-term leaching behaviour of basic oxygen furnace (BOF) steelmaking slag (2018)
Journal Article
Stewart, D. I., Bray, A. W., Udoma, G., Hobson, A. J., Mayes, W. M., Rogerson, M., & Burke, I. T. (2018). Hydration of dicalcium silicate and diffusion through neo-formed calcium-silicate-hydrates at weathered surfaces control the long-term leaching behaviour of basic oxygen furnace (BOF) steelmaking slag. Environmental science and pollution research, 25(10), 9861-9872. https://doi.org/10.1007/s11356-018-1260-7

© 2018 The Author(s) Alkalinity generation and toxic trace metal (such as vanadium) leaching from basic oxygen furnace (BOF) steel slag particles must be properly understood and managed by pre-conditioning if beneficial reuse of slag is to be maximis... Read More about Hydration of dicalcium silicate and diffusion through neo-formed calcium-silicate-hydrates at weathered surfaces control the long-term leaching behaviour of basic oxygen furnace (BOF) steelmaking slag.

Hydraulic and biotic impacts on neutralisation of high-pH waters (2017)
Journal Article
Gomes, H. I., Mayes, W. M., Rogerson, M., Burke, I. T., & Stewart, D. I. (2017). Hydraulic and biotic impacts on neutralisation of high-pH waters. The Science of the total environment, 601-602, 1271-1279. https://doi.org/10.1016/j.scitotenv.2017.05.248

The management of alkaline (pH 11–12.5) leachate is an important issue associated with the conditioning, afteruse or disposal of steel slags. Passive in-gassing of atmospheric CO2 is a low cost option for reducing Ca(OH)2 alkalinity, as Ca(OH)2 is ne... Read More about Hydraulic and biotic impacts on neutralisation of high-pH waters.

A depositional model for spherulitic carbonates associated with alkaline, volcanic lakes (2017)
Journal Article
Mercedes-Martín, R., Brasier, A. T., Rogerson, M., Reijmer, J. J., Vonhof, H., & Pedley, M. (2017). A depositional model for spherulitic carbonates associated with alkaline, volcanic lakes. Marine and Petroleum Geology, 86, 168-191. https://doi.org/10.1016/j.marpetgeo.2017.05.032

The South Atlantic Aptian ‘Pre-salt’ reservoirs are formed by a combination of spherulitic carbonates and Mg-rich clays accumulated in volcanic alkaline lake settings with exotic chemistries. So far, outcrop analogues characterised by metre-thick suc... Read More about A depositional model for spherulitic carbonates associated with alkaline, volcanic lakes.

Timing and causes of North African wet phases during the last glacial period and implications for modern human migration (2016)
Journal Article
Hoffmann, D. L., Rogerson, M., Spötl, C., Luetscher, M., Vance, D., Osborne, A. H., Fello, N. M., & Moseley, G. E. (2016). Timing and causes of North African wet phases during the last glacial period and implications for modern human migration. Scientific reports, 6(1), Article ARTN 36367. https://doi.org/10.1038/srep36367

We present the first speleothem-derived central North Africa rainfall record for the last glacial period. The record reveals three main wet periods at 65-61 ka, 52.5-50.5 ka and 37.5-33 ka that lead obliquity maxima and precession minima. We find add... Read More about Timing and causes of North African wet phases during the last glacial period and implications for modern human migration.