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Restructuring the surface of polyurethane resin enforced filter media to separate surfactant stabilized oil-in-water emulsions via coalescence
Hu, Dan1,2; Li, Lei1,2; Li, Yanxiang1; Yang, Chuanfang1
2017
发表期刊SEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
卷号172期号:JAN页码:59-67
摘要

Reported here is a facile resin emulsification method of treating polyurethane enforced filter media by controlling the initial level of solvent volatilization for resin solidification. The treated media are endowed with varying degrees of lipophilicity as determined by their lipophilic to hydrophilic (L/H) values. An optimized treatment condition was pinned for coalescence separation of surfactant-stabilized oil in-water emulsions using a surfactant free emulsion as the bench mark. The starting separation efficiency was found to depend on the type of surfactant involved in the order of non-ionic surfactant Tween 80 > cationic surfactant cetyl trimethyl ammonium bromide (CTAB) > anionic surfactant sodium dodecyl benzene sulfonate (SDBS). Quartz crystal microbalance (QCM) experiments showed that Tween 80 had the largest adsorption on the polyurethane coating, while least adsorption occurred to SDBS, and mediocre adsorption to CTAB. However, Tween 80 resulted in the lowest time-weighted averaged efficiency as compared to the other surfactants that barely caused any efficiency changes with filtration time. To make the resin emulsification treatment more environmental friendly, more polar solvents were tested, and ethanol was identified as a good alternative to isopropanol. (C) 2016 Published by Elsevier B.V.

关键词Resin Emulsification Wettability Coalescence Surfactant Oil/water Emulsions
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.seppur.2016.07.051
收录类别SCI
语种英语
关键词[WOS]OIL/WATER SEPARATION ; SUPER-HYDROPHOBICITY ; COMPOSITE MEMBRANE ; MESH FILM ; HYDROPHILICITY ; WETTABILITY ; FABRICATION ; SUPERHYDROPHILICITY ; SUPEROLEOPHOBICITY ; FILTRATION
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Natural Science Foundation of China(21476237 ; Major Science and Technology Program for Water Pollution Control and Treatment(2015ZX07202-013) ; 21401201)
WOS记录号WOS:000385602300007
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21564
专题生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Key Lab Green Proc & Engn, State Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Hu, Dan,Li, Lei,Li, Yanxiang,et al. Restructuring the surface of polyurethane resin enforced filter media to separate surfactant stabilized oil-in-water emulsions via coalescence[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2017,172(JAN):59-67.
APA Hu, Dan,Li, Lei,Li, Yanxiang,&Yang, Chuanfang.(2017).Restructuring the surface of polyurethane resin enforced filter media to separate surfactant stabilized oil-in-water emulsions via coalescence.SEPARATION AND PURIFICATION TECHNOLOGY,172(JAN),59-67.
MLA Hu, Dan,et al."Restructuring the surface of polyurethane resin enforced filter media to separate surfactant stabilized oil-in-water emulsions via coalescence".SEPARATION AND PURIFICATION TECHNOLOGY 172.JAN(2017):59-67.
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