Challenges and complexities in remediation of uranium contaminated soils: A review

Publication date: Available online 7 March 2018
Source:Journal of Environmental Radioactivity
Author(s): Rajendran Selvakumar, Govindarajan Ramadoss, Mridula P. Menon, Karuppuli Rajendran, Palanisami Thavamani, Ravi Naidu, Mallavarapu Megharaj
Uranium contamination of soil has been a major concern with respect to its toxicity, accumulation in the food chain and persistence in the environment. Owing to these problems, remediation of uranium-contaminated soils has been investigated by various techniques. This review focuses on the challenges and complexities associated with the remediation of uranium-contaminated soil at field level. Therefore, laboratory studies have been excluded from this review. Challenges faced during remediation of uranium-contaminated soil using various techniques such as microbial/phyto/chemical/material based strategies have been discussed with suitable examples. Various factors that have a major influence on uranium decontamination process in soil such as soil type, uranium speciation, the presence of coexisting ions and organics, etc., have been highlighted. This review brings out the significance of the integrated role of various factors which determine the efficiency of the uranium decontamination process.



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