| 磁场耦合电化学合成聚合氯化铝的性能 |
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| 引用本文： | 皮科武,龚文琪,黄征青. 磁场耦合电化学合成聚合氯化铝的性能[J]. 电化学, 2008, 14(3): 319. DOI: 10.61558/2993-074X.1914 |
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| 作者姓名： | 皮科武 龚文琪 黄征青 |
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| 作者单位： | 湖北工业大学化学与环境工程学院;武汉理工大学资源与环境工程学院; |
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| 基金项目： | 国家自然科学基金，教育部科学技术研究重点项目，湖北工业大学校科研和教改项目 |
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| 摘 要： | 以金属铝板为阳极,金属铁板为阴极,0.1 mol/L的AlCl3水溶液作电解液,应用与重力方向平行的外加磁场耦合直流电解法合成聚合氯化铝(PAC).在磁通密度0.4 T,相邻电极间距15 mm,电解槽电压2.4V,电流密度300 A/m2下,成功制备出盐基度Ba=2.4,总铝含量(AlT)为0.6 mol/L,有效絮凝成分Al13占AlT83.2%的PAC产品,其电压效率85.2%,电能效率81.5%,比电极面积为140.1 m2/m3.恒流法测试表明,磁场对电极极化有抑制作用,并可增大电极表面膜溶解速率,且随磁通密度增加而增强.
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| 关 键 词： | 磁场 电化学 聚合氯化铝(PAC) 电极极化 |
| 收稿时间： | 2008-08-28 |
Performance of Magnetic Field Coupled with Electrochemical Process for Preparing Polyaluminum Chloride |
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| PI Ke-wu,,GONG Wen-qi,HUANG Zheng-qing. Performance of Magnetic Field Coupled with Electrochemical Process for Preparing Polyaluminum Chloride[J]. Electrochemistry, 2008, 14(3): 319. DOI: 10.61558/2993-074X.1914 |
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| Authors: | PI Ke-wu GONG Wen-qi HUANG Zheng-qing |
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| Affiliation: | PI Ke-wu1,2,GONG Wen-qi2,HUANG Zheng-qing2(1.College of Resources , Environmental Engineering,Wuhan University of Technology,Wuhan 430070,China,2.College of Chemical , Environmental Engineering,Hubei University of Technology,Wuhan 430068,China) |
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| Abstract: | Polyaluminum chloride(PAC) was prepared by electrochemical process coupled with magnetic field paralleling to the gravitation direction.The electrolyte of 0.1 M AlCl3 solution was used,with the iron plates as cathode and aluminum sheets as anode.PAC of 0.6 M total aluminum(AlT),83.2% Alb to AlT and basicity(Ba)=2.4 was synthesized when magnetic flux density was 0.4T,the distance of electrodes was 15 mm,the voltage of electrolysis cell was 2.4 V and current density was 300 A/m2.Under above experimental condi... |
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| Keywords: | magnetic field electrochemistry polyaluminum chloride(PAC) polarization prohibition |
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