Immobilization of caesium-loaded ion exchange resins in zeolite-cement blends

Water leaching of caesium (Cs)-loaded cemented ion exchange resin and the mechanism of Cs immobilization were studied in the cement-resin-zeolite (mainly clinoptilolite) system. Present work focuses on the reduction of significant Cs leaching (in terms of the total Cs adsorbed on the resin) by blend...

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Bibliographic Details
Published inCement and concrete research Vol. 29; no. 4; pp. 479 - 485
Main Authors Bagosi, Sandor, Csetenyi, Laszlo J
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier Ltd 1999
Elsevier Science
Subjects
Admixture
Applied sciences
Buildings. Public works
Cement concrete constituents
Cements
Exact sciences and technology
Materials
Properties and test methods
Properties of anhydrous and hydrated cement, test methods
Radioactive waste
Stability
Transport properties
Radioactive waste
Transport properties
Stability
Admixture
Cesium
Experimental device
Zeolite
Mineral composition
Experimental study
Leaching
Concentration measurement
Time dependence
Ionic selectivity
Cement
Slag
Properties of materials
Chemical composition
Ion exchange resin
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Summary:Water leaching of caesium (Cs)-loaded cemented ion exchange resin and the mechanism of Cs immobilization were studied in the cement-resin-zeolite (mainly clinoptilolite) system. Present work focuses on the reduction of significant Cs leaching (in terms of the total Cs adsorbed on the resin) by blending natural untreated and chemically treated zeolites to the cement. Addition of natural zeolites decreased Cs release by up to 70–75% (of the quantity originally bonded in the resin) in the course of a 3-year leaching period.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0008-8846
1873-3948
DOI:10.1016/S0008-8846(98)00190-2