Effects of solution pH and complexing reagents on the desorption of radionuclides in soil
In contaminated soils, radionuclides such as uranium and/or thorium may be associated with different chemical species on soil surfaces or inside soil grains with consequent differences in leachability and mobility. Chemical species in contacting solutions can react with soil contaminants by dissolution, ion exchange, or complexation to release contaminants from the soil to the solution. It is important to understand the effect of chemical species in solution for investigating the distribution of uranium and thorium between the soil and the solution under desorption conditions. In this work, the effects of the solution pH and the complexing reagents on the desorption of uranium and thorium under saturated equilibrium conditions were investigated.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5563842
- Report Number(s):
- ANL/CP-75814; CONF-9205148-1; ON: DE92013062
- Resource Relation:
- Conference: Mid-America Chinese professional annual convention, Itasca, IL (United States), 29-31 May 1992
- Country of Publication:
- United States
- Language:
- English
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Effects of solution pH and complexing reagents on uranium and thorium desorption under saturated equilibrium conditions
Effects of solution pH and complexing reagents on uranium and thorium desorption under saturated equilibrium conditions