Search Results - "Ogden, Mark D"

Ion exchange removal of Cu(II), Fe(II), Pb(II) and Zn(II) from acid extracted sewage sludge – Resin screening in weak acid media by Bezzina, James P., Ruder, Laura R., Dawson, Robert, Ogden, Mark D.

“…A shortage of phosphate rock resources has led to a focus on the use of sewage sludge as a fertiliser. One factor preventing the unlimited application of…”
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Selective Environmental Remediation of Strontium and Cesium Using Sulfonated Hyper-Cross-Linked Polymers (SHCPs) by James, Alex M, Harding, Samuel, Robshaw, Thomas, Bramall, Neil, Ogden, Mark D, Dawson, Robert

“…Sulfonated hyper-cross-linked polymers based on 4,4′-bis­(chloromethyl)-1,1′-biphenyl (BCMBP) were synthesized via metal-free (SHCP-1) and conventional Lewis…”
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Benchtop Zone Refinement of Simulated Future Spent Nuclear Fuel Pyroprocessing Waste by Scrimshire, Alex, Backhouse, Daniel J, Deng, Wei, Mann, Colleen, Ogden, Mark D, Sharrad, Clint A, Harrison, Mike T, McKendrick, Donna, Bingham, Paul A

“…The UK's adoption of pyroprocessing of spent nuclear fuel as an alternative to the current aqueous processing routes requires a robust scientific underpinning…”
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Efficient simulation of chromatographic separation processes by Brown, Solomon F., Ogden, Mark D., Fraga, Eric S.

“…•An adaptive mesh refinement technique is extended to chromatographic problems.•A compact, high-order WENO scheme is applied in order to maintain accuracy.•For…”
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Capture of aqueous radioiodine species by metallated adsorbents from wastestreams of the nuclear power industry: a review by Robshaw, Thomas J., Turner, Joshua, Kearney, Sarah, Walkley, Brant, Sharrad, Clint A., Ogden, Mark D.

“…Iodine-129 poses a significant challenge in the drive towards lowering radionuclide emissions from used nuclear fuel recycling operations. Various techniques…”
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Selective Recovery of Copper from a Synthetic Metalliferous Waste Stream Using the Thiourea-Functionalized Ion Exchange Resin Puromet MTS9140 by Riley, Alex L., Porter, Christopher P., Ogden, Mark D.

“…The extraction of Cu from mixed-metal acidic solutions by the thiourea-functionalized resin Puromet MTS9140 was studied. Despite being originally manufactured…”
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Metal recovery from jarosite waste - A resin screening study by Riley, Alex L., Pepper, Sarah E., Canner, Adam J., Brown, Solomon F., Ogden, Mark D.

“…Work has been carried out screening hydrometallurgical resins for application in the valorization of industrially produced jarosite. Of the seven resins…”
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Functionality screening to help design effective materials for radioiodine abatement by Robshaw, Thomas J., Turner, Joshua, Tuck, Olivia, Pyke, Caroline, Kearney, Sarah, Simoni, Marco, Sharrad, Clint A., Walkley, Brant, Ogden, Mark D.

“…This paper is part of a growing body of research work looking at the synthesis of an optimal adsorbent for the capture and containment of aqueous radioiodine…”
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Water-Gated Transistor Using Ion Exchange Resin for Potentiometric Fluoride Sensing by Alqahtani, Zahrah, Alghamdi, Nawal, Robshaw, Thomas J., Dawson, Robert, Ogden, Mark D., Buckely, Alastair, Grell, Martin

“…We introduce fluoride-selective anion exchange resin sorbents as sensitisers into membranes for water-gated field effect transistors (WGTFTs). Sorbents were…”
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Single metal isotherm study of the ion exchange removal of Cu(II), Fe(II), Pb(II) and Zn(II) from synthetic acetic acid leachate by Bezzina, James P., Robshaw, Thomas, Dawson, Robert, Ogden, Mark D.

“…[Display omitted] •Copper undergoes homogeneous ion-exchange binding to both MTS9301 and C107E.•Iron(II) extraction was the lowest of all measured and modelled…”
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Comparative study of the application of chelating resins for rare earth recovery by Page, Michael J., Soldenhoff, Karin, Ogden, Mark D.

“…The adsorption properties of chelating ion exchange resins containing mixed sulfonic/phosphonic (SP), aminophosphonic (AP) or iminodiacetic (IDA) acid…”
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Towards the implementation of an ion-exchange system for recovery of fluoride commodity chemicals. Kinetic and dynamic studies by Robshaw, Thomas J., Dawson, Robert, Bonser, Keith, Ogden, Mark D.

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Effects of alkyl substitution on the physical properties and gas transport behavior in selected poly(R-phenoxyphosphazenes) by Ogden, Mark D., Orme, Christopher J., Stewart, Frederick F.

“…A systematic preparation of alkyl substituted phenoxyphosphazene polymers was performed and their gas transport properties determined. In this study,…”
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Highly efficient fluoride extraction from simulant leachate of spent potlining via La-loaded chelating resin. An equilibrium study by Robshaw, Thomas, Tukra, Sudhir, Hammond, Deborah B., Leggett, Graham J., Ogden, Mark D.

“…[Display omitted] •Aqueous fluoride extraction via lanthanum-loaded chelating resin is demonstrated.•The uptake mechanism changes, dependant on initial…”
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Characterisation of aluminium black dross before and after stepwise salt-phase dissolution in non-aqueous solvents by Hu, Keting, Reed, Dan, Robshaw, Thomas J., Smith, Rachel M., Ogden, Mark D.

“…[Display omitted] •The glycerol pre-treatment method is an effective way to assist in determining minor reactive phases.•The problematic mineral phases…”
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Application of chelating weak base resin Dowex M4195 to the recovery of uranium from mixed sulfate/chloride media by Ogden, Mark D., Moon, Ellen M., Wilson, Abigail, Pepper, Sarah E.

“…[Display omitted] •Uranium extraction on Dowex M4195 via an anion exchange mechanism is proposed.•pKa values for M4195 show very weak base behaviour.•Isotherm…”
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Polyamine functionalised ion exchange resins: Synthesis, characterisation and uranyl uptake by Amphlett, James T.M., Ogden, Mark D., Foster, Richard I., Syna, Neilish, Soldenhoff, Karin, Sharrad, Clint A.

“…[Display omitted] •Uranium loading exceeds commercial equivalent.•EXAFS experiments show a sorbed [UO2(SO4)3]4− species on all resins tested.•Mass action…”
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Prussian Blue Decoration on Polyacrylonitrile Nanofibers Using Polydopamine for Effective Cs Ion Removal by Gwon, Young Jin, Lee, Jeong Jun, Lee, Kune-Woo, Ogden, Mark D, Harwood, Laurence M, Lee, Taek Seung

“…We prepared Prussian blue (PB) nanoparticles immobilized on the surface of nanofibers to adsorb the Cs ions effectively. The nanofibers were fabricated by…”
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Adsorption studies of a multi-metal system within acetate media, with a view to sustainable phosphate recovery from sewage sludge by Bezzina, James P., Robshaw, Thomas J., Canner, Adam J., Dawson, Robert, Ogden, Mark D.

“…Phosphate shortages and the ensuing pressures on food security have led to an interest in processed sewage sludge as a substitute for commercial fertilisers…”
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The effect of contaminants on the application of polyamine functionalised ion exchange resins for uranium extraction from sulfate based mining process waters by Amphlett, James T.M., Ogden, Mark D., Foster, Richard I., Syna, Neilesh, Soldenhoff, Karin H., Sharrad, Clint A.

“…[Display omitted] •Polyamine functionalised IX resins show tolerance to Cl− levels for uranyl uptake.•Only Mo and Al contaminant species were extracted by…”
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