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Author:

关羽琪 (关羽琪.) | 王凯伦 (王凯伦.) | 祝学东 (祝学东.) | 董丹 (董丹.) | 薛小雷 (薛小雷.) | 马艳林 (马艳林.) | 栾桂荣 (栾桂荣.) | 郭瑾 (郭瑾.) (Scholars:郭瑾)

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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膜改性联用工艺对PVDF中空纤维膜污染进程的缓解作用,研究了CNT负载量和臭氧投量对中空纤维膜组件通量变化和抗污染性能的影响.结果表明,CNT负载量为3 g·m-2、臭氧投量(以O3/DOC计)为0.22mg·mg-1时,临界通量下[144 L·(m2·h)-1],膜组件单位面积过水量达到850 L·m-2,相比原始超滤膜过水量提高了4.5倍;低通量[18 L·(m2·h)-1]下运行15d,膜组件单位面积过...

Keyword:

膜生物污染 碳纳米管 臭氧 二级出水 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: 2018

Issue: 08

Volume: 39

Page: 3744-3752

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: 10

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