The Influence of Chemical Reactions on the Mobility of Radionuclides in the Terrestrial Environment

Lars Carlsen, Ole John Nielsen, Peter Bo, Conny Ditlevsen

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    Abstract

    The influence of the kinetics of chemical and physico-chemical reactions on the mobility of radionuclides in the terrestrial environment has been studied theoretically by application of the COLUMN2 computer code. A variety of reaction systems has been analyzed comprising:
    A → B
    A → B → C
    A B
    A B → C
    A B C
    A + X → B
    A + B C
    A + B C + D
    The study unequivocally discloses the importance of the chemistry in controlling the migration behaviour of contaminants, e.g. radio nuclides in the terrestrial environment. The analyses suggest the necessity of studying possible geochemical reaction in detail, including both retention characteristics as well as
    reaction kinetics.
    Original languageEnglish
    Place of PublicationRoskilde
    PublisherRisø National Laboratory
    Number of pages163
    ISBN (Print)87-550-1158-6
    Publication statusPublished - 1986
    SeriesRisø-M
    Number2533
    ISSN0418-6435

    Keywords

    • Risø-M-2533
    • Adsorption
    • C codes
    • Chemical reaction kinetics
    • Computerized simulation
    • Equilibrium
    • Ground water
    • Radionuclide migration
    • Soils
    • Terrestial Ecosystems

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