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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...
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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
Affiliated Colleges: