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Author:

王凯伦 (王凯伦.) | 刘芳 (刘芳.) | 关羽琪 (关羽琪.) | 祝学东 (祝学东.) | 董丹 (董丹.) | 薛小雷 (薛小雷.) | 马燕林 (马燕林.) | 栾桂荣 (栾桂荣.) | 郭瑾 (郭瑾.) (Scholars:郭瑾)

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CQVIP PKU CSCD

Abstract:

采用碳纳米管(carbon nanotube,CNT)对聚偏氟乙烯(polyvinylidene fluoride,PVDF)中空纤维超滤膜进行改性,结合臭氧预氧化技术,考察了臭氧-CNT膜改性联用工艺的阈通量及膜表面污染情况.结果表明,原膜阈通量为45 L·(m~2·h)~(-1),联用工艺下阈通量为81 L·(m~2·h)~(-1),联用工艺相对原膜阈通量提高了约80%;且联用工艺的污染速率最低,约为0. 001 37k Pa·min-1·L-1·m~2·h.相同臭氧投量与CNT负载量下,对比联用工艺阈通量与临界通量运行情况,得出阈通量下运行过水量高于临界通量运行,表明阈通量下运行能够缓解...

Keyword:

臭氧 二级出水 碳平衡 碳纳米管 超滤膜 膜改性

Author Community:

  • [ 1 ] 北京工业大学环境与能源工程学院

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Source :

环境科学

Year: 2019

Issue: 02

Volume: 40

Page: 738-746

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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