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Development of selective ligands for the removal of Caesium, Strontium and corrosion products for nuclear waste reprocessing

Hopkins, I. (2020) Development of selective ligands for the removal of Caesium, Strontium and corrosion products for nuclear waste reprocessing. PhD thesis, University of Reading

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Abstract/Summary

In order to increase the public approval of nuclear power as an alternative to fossil fuels, developments in waste management of high-level liquid waste must be made. Fission products, such as 137Cs and 90Sr, are highly radiotoxic and principal heat generators in high-level liquid waste. Removal of these fission products would reduce the radiotoxicity, the long-term heat generation and the volume of high-level liquid waste enabling the simplification of storage design for nuclear waste. 127Cs and 90Sr are also environmental contaminants caused by past nuclear disasters. Removal of these contaminants from the environment would reduce the risk of health complications in both animals and humans. This thesis outlines the synthesis and extraction capabilities of caesium and strontium selective ligands on solid-supported extractants including magnetic nanoparticles and macroscopic silica gel for the selective separation of caesium and strontium from other group I and II elements. Recovery of fission/corrosion products using N-donor extractants is also reported.

Item Type:Thesis (PhD)
Thesis Supervisor:Harwood, L.
Thesis/Report Department:School of Chemistry, Food and Pharmacy
Identification Number/DOI:
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:89369
Date on Title Page:2019

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