| F-8020型离子膜的劣化及其废弃膜的再生 |
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| 引用本文： | 郎万中, 许振良, 郭亚军, 褚联峰. F-8020型离子膜的劣化及其废弃膜的再生[J]. 上海师范大学学报(自然科学版), 2009, 38(3): 276-281 |
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| 作者姓名： | 郎万中 许振良 郭亚军 褚联峰 |
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| 作者单位： | 1. 上海师范大学,生命与环境科学学院,上海,200234
2. 华东理工大学,化学工程研究所,上海,200237 |
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| 基金项目： | 上海师范大学校基金，上海理工大学博士科研启动基金 |
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| 摘 要： | 研究了Ca2+,Mg2+,Fe3+,SO2-4,SiO2-3及I-等杂质离子对F-8020型离子膜制碱过程的影响,探讨了离子膜污染产生机理;用盐酸对F-8020型工业污染膜进行了再生,采用EDAX,SEM及电解性能测试等手段对新旧膜及再生膜性能进行了表征.结果表明:氯碱工业废弃的F-8020型污染膜经再生后膜表面上的Al,Si,Fe,Ti及I等元素形成的污染物能有效去除,电解性能明显改善,再生后离子膜用于盐水电解过程的电流效率达到93%以上,槽压在3.20V以下,能够满足离子膜法制碱工艺的要求和其他用途.
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| 关 键 词： | 离子膜 电解 烧碱 再生 |
Fouling process of ion-exchange membrane of F-8020 and regeneration of the deteriorated membrane of chlor-alkali industry |
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| LANG Wan-zhong,XU Zhen-liang,GUO Ya-jun,CHU Lian-feng. Fouling process of ion-exchange membrane of F-8020 and regeneration of the deteriorated membrane of chlor-alkali industry[J]. Journal of Shanghai Normal University(Natural Sciences), 2009, 38(3): 276-281 |
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| Authors: | LANG Wan-zhong XU Zhen-liang GUO Ya-jun CHU Lian-feng |
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| Affiliation: | 1.College of Life and Environment Sciences;Shanghai Normal University;Shanghai 200234;China;2.Chemical Engineering Center;East China University of Science and Technology;Shanghai 200237;China |
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| Abstract: | The effects of the impurities of Ca2+,Mg2+,Fe3+,SO2-4,SiO2-3 and I-on the alklali preparation with ion-exchange membrane were investigagated,and the mechanism of membrane fouling was discussed.The deteriorated ion-exchange membrane of F-8020 was regenerated with HCl.The deteriorated,regenerated and new ion-exchange membrane of F-8020 were characterized by EDAX,SEM and electrolysis simulation.The results indicated that the contaminants of Al,Si,Fe,Ti and I on the surfaces of the deteriorated membrane from ch... |
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| Keywords: | ion-exchange membrane electrolysis chlor-alkali regeneration |
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