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Year : 2010  |  Volume : 33  |  Issue : 4  |  Page : 185-188

Use of specific resins to minimise release of activity at ETP, Trombay

Waste Management Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India

Correspondence Address:
M B Yadav
Waste Management Division, Bhabha Atomic Research Centre, Trombay, Mumbai
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Source of Support: None, Conflict of Interest: None

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Selective sorbent resins have been developed and are being used extensively for decontamination of radioactive effluents received from reactor at CWMF, Kalpakkam. These materials were evaluated for their suitability in treatment of effluents generated at ETP Trombay to minimise release of activity to the environment. An ion exchange column of capacity 80 litre was fabricated and filled with Copper ferrocyanide (CFC) and Hydrous manganese dioxide (HMO) supported on polyurethane foam. The former is selective for Cesium and the later for strontium. The feed effluent gross βγ activity was in the range of 10-15 Bq/ml. About 130 m 3 (1550 Bed Volume) of effluent was treated resulting a Decontamination Factor (DF) of about 7-9. This has demonstrated the effectiveness of specific resins for treatment of low level radioactive liquid effluents. It is desired to introduce prefiltration systems to enhance the life of the resin.

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