| 氧阴极用于电解电渗析法制备硅溶胶研究 |
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| 引用本文： | 刘红梅,衣宝廉.氧阴极用于电解电渗析法制备硅溶胶研究[J].电化学,1996,2(4):425-429. |
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| 作者姓名： | 刘红梅 衣宝廉 |
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| 作者单位： | 中国科学院大连化学物理研究所 |
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| 摘 要： | 通过对氧阴极电解电渗析槽和析氢电解电渗析槽的槽电压、电流效率、能耗等的比较，说明在电化学法制备硅溶胶过程中，用氧阴极代替析氢电极可将电解电渗析过程返回到电渗析过程。在电流密度０～１００ｍＡ·ｃｍ－２范围内，槽电压降低０．８６～１．３Ｖ左右，可节约电能１６％左右，而其电流效率则基本上不受影响
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| 关 键 词： | 氧阴极 电解电渗析 硅溶胶 |
| 收稿时间： | 1996-11-28 |
Porous Gas Diffusion Oxygen Cathode for Electrodialysis Process |
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| Liu HongmeiPresent address: Liu Hongmei.Porous Gas Diffusion Oxygen Cathode for Electrodialysis Process[J].Electrochemistry,1996,2(4):425-429. |
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| Authors: | Liu HongmeiPresent address: Liu Hongmei |
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| Institution: | Liu HongmeiPresent address: Liu Hongmei,Institute of Chemical Engineering of Union University,Beijing 100023 Yi Baolian |
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| Abstract: | In the process of producing silica sols by electrodialysis, with porous gas diffusion oxygen cathode instead of steel cathode, the cell voltage can be reduced 0.86～1.13 V,the power consumption of alkali silica sols (pH=9.5) is about cut down 16%, while the current efficiency has no changing. With porous gas diffusion oxygen cathode instead of steel cathode, the electrolysis electrodialysis process can be returned to electrodialysis process. |
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| Keywords: | Oxygen cathode Electrodialysis Silica sols Power consumption |
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