Uranium VI adsorption on model minerals: controlling factors and surface complexation modelling

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dc.contributor.authorPayne, TEen_AU
dc.contributor.authorLumpkin, GRen_AU
dc.contributor.authorWaite, TDen_AU
dc.date.accessioned2022-11-04T00:06:50Zen_AU
dc.date.available2022-11-04T00:06:50Zen_AU
dc.date.issued1996-03-24en_AU
dc.date.statistics2022-10-11en_AU
dc.description.abstractWe have been studying U(VI) sorption on model minerals including ferrihydrite and kaolinite, to assist in modelling U migration at a field site in Northern Australia. Factors that have been shown to have an influence within the normal ranges encountered in the environment include: pH, ionic strength, partial pressure of CO2, adsorbent loading, total amount of U present, and the presence of ligands such as phosphate and humic acid. The effect of these ligands may be to enhance or reduce U uptake. The adsorption model being used for ferrihydrite is a surface complexation model with a diffuse double layer and both strong and weak sites for U sorption. Trace impurity phases and mineral coatings can play a dominant role in determining U sorption in both environmental and model systems.en_AU
dc.identifier.citationPayne, T. E., Lumpkin, G. R., and Waite, T D. (1996). Uranium VI adsorption on model minerals: controlling factors and surface complexation modelling. Paper presented at the Spring National Meeting of the American Chemical Society (ACS), New Orleans, Louisiana, USA, 24-28 March 1996.en_AU
dc.identifier.conferenceenddate28 March 1996en_AU
dc.identifier.conferencenameSpring National Meeting of the American Chemical Society (ACS)en_AU
dc.identifier.conferenceplaceNew Orleans, Louisianaen_AU
dc.identifier.conferencestartdate24 March 1996en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13971en_AU
dc.language.isoenen_AU
dc.publisherAmerican Chemical Societyen_AU
dc.subjectUraniumen_AU
dc.subjectSorptionen_AU
dc.subjectAustraliaen_AU
dc.subjectLigandsen_AU
dc.subjectMineralsen_AU
dc.subjectSimulationen_AU
dc.subjectKaoliniteen_AU
dc.titleUranium VI adsorption on model minerals: controlling factors and surface complexation modellingen_AU
dc.typeConference Abstracten_AU
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