压水堆核电厂热态功能试验水化学与设备材料腐蚀关系的研究进展
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彭立园, 吴欣强, 张兹瑜, 谭季波
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Review on Relationship Between Hot Functional Test Water Chemistry and Corrosion Behavior of Related Component Materials in Pressurized Water Reactor Nuclear Power Plants
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PENG Liyuan, WU Xinqiang, ZHANG Ziyu, TAN Jibo
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表1 典型HFT和注Zn分步HFT水化学参数对比[19]
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Table 1 Comparison of the typical and Zn-injected step-by-step HFT water chemistry parameters[19]
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Parameter | AP1000 Plant | Traditional |
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Chloride, fluoride, sulfate / µg·L-1 | ≤ 150 (each) | ≤ 150 (each) | Chemical additions | During Heatup Plateau | Prior to Heatup | Oxygen / µg·L-1 | ≤ 100 | ≤ 100 | Time at NOT/NOP / d | 19 | 26 | Average pH at 292℃ | 7.3 | 7.2 | Average lithium / mg·L-1 | 0.63 | 0.51 | Average hydrogen / mL·kg-1 | 36 | - | Average zinc / µg·L-1 | 46 | - | Zinc exposure / µg·L-1-months | 51 | - | Average boron during cooldown / mg·L-1 | 790 | - | pHT after cooldown | 5.0 | - | Oxygen following H2O2 addition / mg·L-1 | > 1 | - |
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