Effect of groundwater pH and ionic strength on strontium sorption in aquifer sediments: Implications for 90Sr mobility at contaminated nuclear sites

Sarah H. Wallace, Samuel Shaw, Katherine Morris, Joe S. Small, Adam J. Fuller, Ian T. Burke

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Strontium-90 is a beta emitting radionuclide produced during nuclear fission, and is a problem contaminant at many nuclear facilities. Transport of 90Sr in groundwaters is primarily controlled by sorption reactions with aquifer sediments. The extent of sorption is controlled by the geochemistry of the groundwater and sediment mineralogy. Here, batch sorption experiments were used to examine the sorption behaviour of 90Sr in sediment-water systems representative of the UK Sellafield nuclear site based on groundwater and contaminant fluid compositions. In experiments with low ionic strength groundwaters (
    Original languageEnglish
    Pages (from-to)1482-1491
    Number of pages9
    JournalApplied Geochemistry
    Volume27
    Issue number8
    DOIs
    Publication statusPublished - Aug 2012

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