发明名称 |
Method of decontaminating radioactive metal surfaces |
摘要 |
Disclosed is a method of decontaminating metal surfaces contaminated with a radioactive deposit by passing over the coating an aqueous solution of a water soluble condensation reaction product of (1) a hydrazine compound having the general formula <IMAGE> where each R group is independently selected from hydrogen and alkyl to C4 and (2) a water soluble aliphatic polycarboxylic acid. The method includes the additional last steps of passing an aqueous oxidizing solution over the deposit followed by passing a decontamination solution over the deposit a second time. The solution is circulated through a cationic exchange column which can be preloaded with hydrazine ion. The decontamination solution can be decomposed by the addition of an oxidant to form nitrogen, carbon dioxide, and water.
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申请公布号 |
US4729855(A) |
申请公布日期 |
1988.03.08 |
申请号 |
US19850803024 |
申请日期 |
1985.11.29 |
申请人 |
WESTINGHOUSE ELECTRIC CORP. |
发明人 |
MURRAY, ALEXANDER P.;SLATER, CLIFTON G. |
分类号 |
G21F9/28;C11D7/22;C11D7/32;C11D7/60;G21F9/00;G21F9/30;(IPC1-7):G21F9/00 |
主分类号 |
G21F9/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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