| 低浓度NaCl溶液Ti/Pt阳极电解制备活性氯 |
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| 引用本文： | 沈浩,樊金红,马鲁铭.低浓度NaCl溶液Ti/Pt阳极电解制备活性氯[J].电化学,2009,15(2):220. |
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| 作者姓名： | 沈浩 樊金红 马鲁铭 |
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| 作者单位： | 同济大学城市污染控制国家工程研究中心; |
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| 基金项目： | 同济大学青年优秀人才科研基金，上海市科委国际合作科技发展基金 |
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| 摘 要： | 以Ti板阴极、Ti/Pt阳极组成无隔膜电解装置,电解低浓度NaCl溶液制得活性氯.研究电解时间、电流密度、氯离子浓度、溶液pH值对活性氯浓度及电流效率的影响.结果表明:电解时间增加,活性氯浓度增加,而电流效率逐渐降低;初始阶段活性氯浓度增加较快,近1 h活性氯浓度趋于稳定;增加氯化钠浓度可提高活性氯浓度和改善电流效率;微酸性电解液有利于提高活性氯浓度.电解过程中,溶液电导率不断降低,pH值变化范围在1之内.
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| 关 键 词： | 活性氯 Ti/Pt阳极 低浓度NaCl溶液 电解 |
| 收稿时间： | 2009-05-28 |
Investigation on Electrogenerated Active Chlorine from diluted NaCl Solutions at Ti/Pt Anode |
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| SHEN Hao,FAN Jin-hong,MA Lu-ming.Investigation on Electrogenerated Active Chlorine from diluted NaCl Solutions at Ti/Pt Anode[J].Electrochemistry,2009,15(2):220. |
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| Authors: | SHEN Hao FAN Jin-hong MA Lu-ming |
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| Institution: | National Engineering Research Center for Urban Pollution Control;Tongji University;Shanghai 200092;China |
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| Abstract: | Electrogeneration of active chlorine from diluted NaCl solutions was investigated in an undivided cell with Ti/Pt anode and Ti plate cathode.The effects of electrolysis time,current density(i),chloride concentration and pH value on the electrogeneration of active chlorine and current efficiency(CE) were analyzed.Meanwhile,the changing trends of the electrolyte's conductivity(TSD) and pH value in the electrolysis process were discussed.The results showed that the concentration of active chlorine increased wi... |
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| Keywords: | active chlorine Ti/Pt anode diluted NaCl solution electrolysis |
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