Search Results - "Livens, F.R"

Assessment of the disposability of radioactive waste inventories for a range of nuclear fuel cycles: Inventory and evolution over time by Dungan, K., Gregg, R.W.H., Morris, K., Livens, F.R., Butler, G.

“…Nuclear power has been identified as a key low emissions energy source, as such an understanding of fueling and disposal requirements of different fuel cycles…”
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Decontamination of caesium and strontium from stainless steel surfaces using hydrogels by Moore, J.J., Raine, T.P., Jenkins, A., Livens, F.R., Law, K.A., Morris, K., Law, G.T.W., Yeates, S.G.

“…Current methods for the decontamination of radioactively contaminated surfaces in nuclear facilities typically rely on the use of liquid agents to remove…”
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Aggregation of humic substances by metal ions measured by ultracentrifugation by Bryan, N.D, Jones, M.N, Birkett, J, Livens, F.R

“…UV scanning analytical ultracentrifugation has been used to measure the aggregation of dissolved humic substances by metal ions. An adaptation of the Archibald…”
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Adsorption of radium and barium on goethite and ferrihydrite: A kinetic and surface complexation modelling study by Sajih, M., Bryan, N.D., Livens, F.R., Vaughan, D.J., Descostes, M., Phrommavanh, V., Nos, J., Morris, K.

“…Radium and barium uptake onto ferrihydrite and goethite have been studied in the concentration range 1nM to 5mM and from pH 4 to 10, to develop a model to…”
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Uranium from seawater – Infinite resource or improbable aspiration? by Dungan, K., Butler, G., Livens, F.R., Warren, L.M.

“…The availability of uranium drives the future of the nuclear energy industry; an upper limit on uranium prices will determine whether it is economically viable…”
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Accelerator mass spectrometry of the planetary elements by Fifield, L.K., Clacher, A.P., Morris, K., King, S.J., Cresswell, R.G., Day, J.P., Livens, F.R.

“…Accelerator mass spectrometry has been applied for the first time to the detection of 237Np. Sensitivity approaches 105 atoms. A first measurement of the…”
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Development of a method for the determination of low levels of technetium-99 by Butterworth, J.C., Livens, F.R., Makinson, P.R.

“…A radiochemical separation scheme for technetium is being developed in which rhenium is to be used as a yield monitor; those procedures which are most prone to…”
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Bioreduction of Uranium:  Environmental Implications of a Pentavalent Intermediate by Renshaw, Joanna C, Butchins, Laura J. C, Livens, Francis R, May, Iain, Charnock, John M, Lloyd, Jonathan R

“…The release of uranium and other transuranics into the environment, and their subsequent mobility, are subjects of intense public concern. Uranium dominates…”
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An X-ray absorption study of the fate of technetium in reduced and reoxidised sediments and mineral phases by Morris, K., Livens, F.R., Charnock, J.M., Burke, I.T., McBeth, J.M., Begg, J.D.C., Boothman, C., Lloyd, J.R.

“…Technetium is a long lived (2.13 × 10 5 a), beta emitting radionuclide which is a groundwater contaminant at a number of nuclear facilities throughout the…”
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Uranium Uptake from Aqueous Solution by Interaction with Goethite, Lepidocrocite, Muscovite, and Mackinawite:  An X-ray Absorption Spectroscopy Study by Moyes, Lesley N, Parkman, Richard H, Charnock, John M, Vaughan, David J, Livens, Francis R, Hughes, Colin R, Braithwaite, Anna

“…The retention of radionuclides by interaction with mineral phases has significant consequences for the planning of their short- and long-term disposal to…”
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Impact of Fe(III)-reducing Bacteria on Uranium Mobility by Wilkins, M.J, Livens, F.R, Vaughan, D.J, Lloyd, J.R

“…The ability of specialist prokaryotes to couple the oxidation of organic compounds to the reduction of Fe(III) is widespread in the subsurface. Here microbial…”
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An X-ray absorption spectroscopy study of the coprecipitation of Tc and Re with mackinawite (FeS) by Wharton, M.J, Atkins, B, Charnock a b, J.M, Livens, F.R, Pattrick, R.A.D, Collison, D

“…X-ray absorption spectroscopy (XAS) has been used to define the local chemical environments of Tc and its proposed chemical analogue Re in precipitates of…”
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A study of the interaction of strontium ions in aqueous solution with the surfaces of calcite and kaolinite by Parkman, R.H, Charnock, J.M, Livens, F.R, Vaughan, D.J

“…The interaction of Sr 2+ ions in aqueous solution with the surfaces of calcite and kaolinite have been studied by exposing powdered samples of these minerals…”
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Plutonium in the environment, applied radiation and isotopes, 46(11): 1089–1294 (1995) by Livens, F.R.

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Biogeochemical influences on the decomposition and dispersion of depleted uranium in the environment by Alvarez, R., Livens, F.R., Lloyd, J.R., Vaughan, D.J.

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X-ray Absorption Spectroscopy of Tricarbonatodioxouranate(V), [UO(2)(CO(3))(3)](5)(-), in Aqueous Solution by Docrat, T. I., Mosselmans, J. F. W., Charnock, J. M., Whiteley, M. W., Collison, D., Livens, F. R., Jones, C., Edmiston, M. J.

“…Actinyl ions (AnO(2)(+) and AnO(2)(2+)) are strongly complexed by CO(3)(2)(-) in aqueous solution, and tricarbonato complexes of UO(2)(2+) and NpO(2)(+), in…”
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Evidence for the Remobilization of Sellafield Waste Radionuclides in an Intertidal Salt Marsh, West Cumbria, U.K by Morris, K., Butterworth, J.C., Livens, F.R.

“…Intertidal sediments in north-west England contain enhanced levels of artificial radionuclides due to the authorized release of low-level liquid waste from the…”
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The kinetics and mechanisms of simulated British Magnox waste glass dissolution as a function of pH, silicic acid activity and time in low temperature aqueous systems by Abraitis, P.K., Livens, F.R., Monteith, J.E., Small, J.S., Trivedi, D.P., Vaughan, D.J., Wogelius, R.A.

“…Dissolution of a simulated British Magnox waste glass is governed by two pH-dependent processes. At low pH, dissolution is governed by reactions occurring…”
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Development and application of an assay for uranyl complexation by fungal metabolites, including siderophores by Renshaw, J.C, Halliday, V, Robson, G.D, Trinci, A.P.J, Wiebe, M.G, Livens, F.R, Collison, D, Taylor, R.J

“…An assay to detect UO2(2+) complexation was developed based on the chrome azurol S (CAS) assay for siderophores (B. Schwyn and J. B. Neilands, Anal. Biochem…”
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Single-pass flow-through experiments on a simulated waste glass in alkaline media at 40°C.: I. Experiments conducted at variable solution flow rate to glass surface area ratio by Abraitis, P.K., McGrail, B.P., Trivedi, D.P., Livens, F.R., Vaughan, D.J.

“…Dissolution of a borosilicate glass containing a complex mixture of simulated fission product oxides has been investigated in single-pass flow-through (SPFT)…”
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