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Improvement on removal of radio-cobalt from waste water by ferric hydroxide coagulation-flocculation process using diethyldithiocarbamate

Authors
Journal
Annals of Nuclear Energy
0306-4549
Publisher
Elsevier
Publication Date
Volume
4
Identifiers
DOI: 10.1016/0306-4549(77)90018-4

Abstract

Abstract By adding a small amount of sodium diethyldithiocarbamate (Na-DDTC) in the ordinary decontamination process of low-level radioactive waste water by ferric hydroxide coagulation-flocculation, removal of radio-cobalt is remarkably improved. The quantity of Na-DDTC used is only 10 ppm in concentration, which does not affect the decontamination process, and no DDTC is detected in the treated water. High decontamination factors for radio-cobalt of 80–100 are obtained for the waste water containing 10 −4 μCi/ml level of radio-cobalt, and the values are about five times that without DDTC.

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