| Establishment of water quality index （Na^＋, Ca^2＋） for purified water reused to zinc electrolysis process |
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| 引用本文： | 柴立元,肖海娟,王云燕,裴斐,舒余德,张金龙.Establishment of water quality index （Na^＋, Ca^2＋） for purified water reused to zinc electrolysis process[J].中国有色金属学会会刊,2009,19(2):484-488. |
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| 作者姓名： | 柴立元 肖海娟 王云燕 裴斐 舒余德 张金龙 |
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| 作者单位： | School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China
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| 基金项目： | Ministry of Education of China，湖南省自然科学基金，国家自然科学基金重点项目，National Key Project of Scientific and Technical Supporting Programs |
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| 摘 要： |
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| 关 键 词： | 锌电解过程 水质指数 重复使用 净化水 钠 电流效率 水质指标 交流电桥法 |
| 收稿时间： | 12 December 2007 |
Establishment of water quality index (Na+, Ca2+) for purified water reused to zinc electrolysis process |
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| CHAI Li-yuan,XIAO Hai-juan,WANG Yun-yan,PEI Fei,SHU Yu-de,ZHANG Jin-long.Establishment of water quality index (Na+, Ca2+) for purified water reused to zinc electrolysis process[J].Transactions of Nonferrous Metals Society of China,2009,19(2):484-488. |
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| Authors: | CHAI Li-yuan XIAO Hai-juan WANG Yun-yan PEI Fei SHU Yu-de ZHANG Jin-long |
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| Affiliation: | School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China |
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| Abstract: | The effects of Na+ and Ca2+ in the purified water on the conductivity of zinc electrolyte and the current efficiency of zinc electrolysis were studied by the alternating current bridge method and the simulated electrolysis experiments, and the water quality index of reused water was established. The results show that the conductivity of the solution and the current efficiency decrease as these two kinds of positive ions are added in the electrolyte. The effect of Ca2+ is much more remarkable than that of Na+. ρ(Na+)≤ 8 g/L and ρ(Ca2+)≤20 mg/L are the quality indexes in the zinc electrolysis process and the concentrations of Na+ and Ca2+ in the purified water reused to the process should be less than the limited values, i.e. the water quality index of the purified water should be controlled by its reused amount. |
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| Keywords: | water quality index purified water zinc electrolysis process alternating current bridge method |
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