Process for separation of cesium ions from aqueous solutions

Details Process for separation of cesium ions from aqueous solutions Process for separation of cesium ions from aqueous solutions

1987-07-02

1989-05-02

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210682, C02F 142

Patent

active

048266043

ABSTRACT:
The invention relates to a process for continuous or almost continuous separation of cesium ions from aqueous solutions having high concentrations of sodium and/or potassium ions by ion exchange with ammonium molybdophosphate (AMP).
A quantitative cesium separation from aqueous solutions which are high in salts, especially from highly radioactive solutions which are strongly nitric and contain nitrate, is achieved, without having to consider bleeding of the AMP and/or undesirable local overheating in the exchanger.

REFERENCES:
patent: 3017242 (1962-01-01), Ames
patent: 3296123 (1967-01-01), Prout et al.
patent: 3316066 (1967-04-01), Smit
patent: 3453214 (1969-07-01), Bonnin et al.
patent: 3484216 (1969-12-01), Ahrland
patent: 4460474 (1984-07-01), Blasius et al.
J. Van R. Smit et al., "Separation of Cesium from Fission Product Wastes by Ion Exchange on Ammonium Molybdophosphate", Industrial & Engineering Chemistry, vol. 5, No. 2, pp. 117-122 (1966).

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