METHOD OF PROCESSING LIQUID RADIOACTIVE WASTES OF LOW AND MEAN ACTIVITY LEVELS Russian patent published in 1994 - IPC

Abstract SU 1759171 A1

FIELD: processing liquid radioactive wastes. SUBSTANCE: method involves selectively extracting cesium -137 and strontium -90 radionuclides by extraction electrodialysis using a liquid membrane containing 4,4-ditetroubythylbenzo-24-crown-9, di-2-ethylhexyl phosphoric acid and perchloroethylene, the liquid membrane circulating around a closed path sequentially passing steps of partial dewatering and treating in a whirling bed. EFFECT: enhanced efficiency and reliability. 1 tbl

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SU 1 759 171 A1

Authors

Panteleev V.I.

Timofeev E.M.

Chujkov V.Ju.

Dates

1994-01-30—Published

1991-02-08—Filed