EVALUATION AND TESTING OF INORGANIC ION EXCHANGE SORBENTS FOR THE REMOVAL OF CESIUM-137 FROM ACTUAL IDAHO NUCLEAR TECHNOLOGY AND ENGINEERING CENTER ACIDIC TANK WASTE

Autor: D. J. Wood, P. A. Tullock, K. N. Brewer, N. R. Mann, Terry A. Todd, L. G. Olson
Rok vydání: 2001
Předmět:
Zdroj: Separation Science and Technology. 36:999-1016
ISSN: 1520-5754
0149-6395
DOI: 10.1081/ss-100103633
Popis: Three inorganic ion exchange sorbents were evaluated for 137Cs removal from the Idaho Nuclear Technology and Engineering Center (INTEC), acidic tank waste. A commercially available, Russian manufactured, potassium copper hexacyanoferrate (FS-2), crystalline silicotitanate (IONSIV IE-911), manufactured by UOP, and ammonium molybdophosphate-polyacrilonitrile composite sorbent (AMP-PAN), produced at the Czech Technical University, Prague, were tested. Approximately 800 mLs of actual radioactive tank waste were used to evaluate the FS-2 and IONSIV IE-911 sorbents. Feed flowrates of 6-7 mLs/hr through a 1 cm3 column were used for both tests. Initial 137Cs breakthrough with IONSIV IE-911 was observed at approximately 100 mLs and 50 % breakthrough was observed at 660 mLs. A 137Cs breakthrough of 20 % was observed after 775 mLs of waste was processed through the column containing FS-2. Tests were also performed with both of these sorbents using simulated tank waste. Results for the IONSIV IE-911 compare well for ...
Databáze: OpenAIRE