The use of columns of the zeolite clinoptilolite in the remediation of aqueous nuclear waste streams

Dyer, A, Hriljac, J, Evans, N, Stokes, I, Rand, P, Kellet, S, Harjula, R, Moller, T, Maher, Z, Heatlie-Branson, R, Austin, J, Williamson-Owens, S, Higgins-Bos, M, Smith, K, O’Brien, L, Smith, N and Bryan, N 2018, 'The use of columns of the zeolite clinoptilolite in the remediation of aqueous nuclear waste streams' , Journal of Radioanalytical and Nuclear Chemistry, 318 (3) , pp. 2473-2491.

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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.

Item Type: Article
Uncontrolled Keywords: Article, Ion exchange, Clinoptilolite, Caesium, Strontium, Effluent treatment
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Journal of Radioanalytical and Nuclear Chemistry
Publisher: Springer
ISSN: 1588-2780
Funders: Sellafield Limited
SWORD Depositor: Publications Router
Depositing User: Publications Router
Date Deposited: 03 Dec 2018 10:47
Last Modified: 23 Nov 2019 08:01

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