Treatment of higly active liquid wastes by mineral ion-exchanger seperation

Leon Baetslé; Paul Dejonghe

Treatment of higly active liquid wastes by mineral ion-exchanger seperation

Leon Baetslé, Paul Dejonghe

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Abstract

The method studied at the BELCHIM-CEN Laboratories at Mol is based on partial deacidification of the highly acid effluent and the complete separation of the Sr90 and Cs137 isotopes by selective adsorption on mineral ion exchangers. After storage and simple chemical treatment, the mother liquor may then be discharged. Preparation methods, structure and exchange properties in different media were studied in respect of two mineral ion exchangers are given. The decontamination factors obtained with synthetic solutions (Purex) were at least 106 in respect of Cs137 and Sr90.
By selecting appropriate elution conditions it was possible to recover in 5 vol. of eluent beds, 99.9% of Cs137, adsorbed on zirconium phosphate.

Original language	English
Publisher	SCK CEN
Number of pages	21
State	Published - Oct 1962

Publication series

Name	SCK CEN Reports
Publisher	SCK CEN
No.	BLG-181

Access to Document

BLG-181Final published version, 7.72 MBLicense: Unspecified

Cite this

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abstract = "The method studied at the BELCHIM-CEN Laboratories at Mol is based on partial deacidification of the highly acid effluent and the complete separation of the Sr90 and Cs137 isotopes by selective adsorption on mineral ion exchangers. After storage and simple chemical treatment, the mother liquor may then be discharged. Preparation methods, structure and exchange properties in different media were studied in respect of two mineral ion exchangers are given. The decontamination factors obtained with synthetic solutions (Purex) were at least 106 in respect of Cs137 and Sr90.By selecting appropriate elution conditions it was possible to recover in 5 vol. of eluent beds, 99.9% of Cs137, adsorbed on zirconium phosphate.",

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AB - The method studied at the BELCHIM-CEN Laboratories at Mol is based on partial deacidification of the highly acid effluent and the complete separation of the Sr90 and Cs137 isotopes by selective adsorption on mineral ion exchangers. After storage and simple chemical treatment, the mother liquor may then be discharged. Preparation methods, structure and exchange properties in different media were studied in respect of two mineral ion exchangers are given. The decontamination factors obtained with synthetic solutions (Purex) were at least 106 in respect of Cs137 and Sr90.By selecting appropriate elution conditions it was possible to recover in 5 vol. of eluent beds, 99.9% of Cs137, adsorbed on zirconium phosphate.

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