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

Bagosi, S. / Csetenyi, L.J.

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.

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

Bagosi, S. / Csetenyi, L.J.

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.

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

Bagosi, S. / Csetenyi, L.J.

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.

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Title:

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

Contributors:

Bagosi, S. (author) / Csetenyi, L.J. (author)

Published in:

Cement and Concrete Research ; 29 ; 479-485

Publication date:

1999

Size:

7 Seiten, 8 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0008-8846(98)00190-2

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Zeolith , Cäsium , Ionenaustauschharz , Wasser , Auslaugen (Verfahrenstechnik) , Harz , chemische Bindung , radioaktiver Abfall , Additiv , anorganische Verbindung , Mischen (Feststoff)

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