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TEST OF DISSOLUTION DECONTAMINATION OF SIMULATED CORROSION-OXIDES IN PRIMARY LOOP OF PWR
Author(s): 
Pages: 42-48,54
Year: Issue:  1
Journal: RADIATION PROTECTION

Keyword:  溶解去污压水堆反应堆一回路腐蚀氧化物;
Abstract: 本文介绍了对两种压水反应堆一回路模拟腐蚀氧化物(铁镍铬氧化物和铁镍氧化物)的溶解去污试验结果.选择的去污剂为0.3%草酸、0.1%柠檬酸和0.1%高锰酸钾.结果表明,实验温度为95 ℃、去污时间在6~48 h范围内,0.3%草酸对铁镍铬氧化物和铁镍氧化物的溶解率分别为24.1%~65.3%和4.9%~64.4%;0.1%柠檬酸对二者的溶解率分别为2.2%~4.4%和0.37%~1.55%;0.1%高锰酸钾对二者几乎没有溶解作用.采用在草酸或柠檬酸去污前使用高锰酸钾去污剂的二步去污法,对两种氧化物的溶解率小于单独使用草酸或柠檬酸去污的一步法.
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