国产双极性膜及其电渗析装置 |
作者:葛道才,范晴晴,黄泉森 |
单位: 北京廷润膜技术开发有限公司,邮编101103 |
关键词: 双极性膜;均相阴离子交换膜;均相阳离子交换膜;电渗析装置 |
DOI号: |
分类号: TQ317.9 |
出版年,卷(期):页码: 2011,31(6):87-89 |
摘要: |
介绍了国内双极性膜的生产和应用情况。国内生产的双极性膜具有优良的电化学性能,在0.5M硫酸钠溶液中,25°C时,10—100毫安 /厘米2电流密度下,跨膜电压降为0.9-1.8V之间。价格也远比国外BP-Ⅰ型双极膜便宜。同时,介绍了国内双极性膜电渗析装置可以从不同盐类直接分离酸和碱,分离每吨酸电耗在1500—2500kwh范围。因此国产双极性膜可以完全满足国内市场的需要。 |
This paper introduced production and application of domestic bipolar membrane made in China . Our bipolar membrane has an excellent electro-chemical properties . In range of current density , 10—100 mA∕cm2,the membrane has a potential drop of 0.9—1.8 in a 0.5 M Na2SO4 solution at 25°C . And our bipolar membrane cost is also far cheaper than type BP—1 bipolar membrane imported from abroad . At the same timeAnd morover , This paper introduced our bipolar membrane eletrodialysis installationplant . It can directly separate acids and basesfrom their different salts . For separating per ton acid , its electric energy consumption is in the range of 1500—2500kwh .So , our bipolar membrane can completely meet our market needs . |
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参考文献: |
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