期刊
JOURNAL OF MATERIALS SCIENCE
卷 54, 期 11, 页码 8332-8345出版社
SPRINGER
DOI: 10.1007/s10853-019-03482-z
关键词
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资金
- National Natural Science Foundation of China [21776110, U1507118, 21676127]
- Natural Science Foundation of Jiangsu Province [BK20151350, BK20161367, BK20171315]
- China Postdoctoral Science Foundation [2014M561588, 1501067C, 170103B]
The worldwide oily wastewater is one of the most serious environmental problems. The current membrane separation technology has received an increasing attention toward oil/water emulsions separation. Here, a high-efficient superhydrophilic and underwater superoleophobic membrane with improved antifouling property was fabricated based on modified halloysite nanotubes anchored at polyvinylidene fluoride/graphene oxide membrane surface via polydopamine adhesive. The composite membrane exhibited an outstanding antifouling performance as well as high pure water flux (1500Lm(-2)h(-1)) under gravity driven. Besides, the as-prepared composite membrane could separate both surfactant-free and surfactant-stabilized oil/water emulsions with separation efficiency up to 99.5%. Moreover, this facile preparation and eco-friendly composite membrane provides promising practical application toward environmental remediation.
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