Evaluation of cerium(IV) catalyzed remediation of plutonium contaminated soils at the Idaho Cleanup Project
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Dirk Gombert
Summary
An engineering and analytical chemical program was used to evaluate a proposed process to remove plutonium from contaminated soils at the Department of Energy's Idaho National Engineering and Environmental Laboratory Site. The design was based on the premise that the chemical process would be extremely efficient, reducing up to 250 nCi/g total transuranic contamination including both plutonium, in several chemical forms, and americium to less than 10 nCi/g. To ensure the effectiveness of the process on even heat-treated forms of plutonium, a very aggressive cerium IV catalyzed hot nitric acid leach step was used. Laboratory experiments showed that the chemistry could indeed remove plutonium, but due to the secondary wastes generated by coincident dissolution of the soil matrix, the process did not meet other design requirements.
© Oldenbourg Wissenschaftsverlag, München
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Articles in the same Issue
- Extraction of short-lived zirconium and hafnium isotopes using crown ethers: A model system for the study of rutherfordium
- Recovery of fission palladium by electrodeposition using room temperature ionic liquids
- Stability constants of technetium(IV) oxalate complexes as a function of ionic strength
- Efficient preparation of 6-[18F]fluoroveratraldehyde, the precursor of the multi-step synthesis of [18F]FDOPA
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- Assessment of air quality of two metropolitan cities in Pakistan: Elemental analysis using INAA and AAS
- Evaluation of cerium(IV) catalyzed remediation of plutonium contaminated soils at the Idaho Cleanup Project
- Geographical distribution of 90Sr contamination in Poland
