The use of columns of the zeolite clinoptilolite in the remediation of aqueous nuclear waste streams
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Colleges, School and Institutes
Mud Hills clinoptilolite has been used in an effluent treatment plant (SIXEP) at the Sellafield nuclear reprocessing site. This material has been used to remove 134/137Cs and 90Sr successfully from effluents for 3 decades. Samples of the zeolite have been tested in column experiments to determine their ability to remove radioactive Cs+ and Sr2+ ions under increasing concentrations of competing ions, Ca2+, Mg2+, Na+ and K+. These ions caused increased elution of Cs+ and Sr2+. Ca2+, Mg2+ and K+ were more effective competitors than Na+. For Na+, it was found that if concentration was reduced, then column performance recovered rapidly.
|Number of pages||19|
|Journal||Journal of Radioanalytical and Nuclear Chemistry|
|Early online date||22 Nov 2018|
|Publication status||Published - 1 Dec 2018|