CF4 plasma modified highly interconnective porous polysulfone membranes for direct contact membrane distillation (DCMD)

doi:10.1016/j.desal.2015.05.002

	CF4 plasma modified highly interconnective porous polysulfone membranes for direct contact membrane distillation (DCMD)
	Tian, Miaomiao 1,2; Yin, Yong 1; Yang, Chi 1; Zhao, Baolong 1; Song, Jianfeng 1; Liu, Jindun 2; Li, Xue-Mei 1; He, Tao1,3
	2015-08-03
发表期刊	DESALINATION (IF:8.3[JCR-2023],8.7[5-Year])
ISSN	0011-9164
卷号	369 页码:105-114
发表状态	已发表
DOI	10.1016/j.desal.2015.05.002
摘要	Preparation of MD membranes with a low tortuosity and high DCMD flux is reported. Hydrophilic flat sheet polysulfone (PSf), blended with polyvinylpyrrolidone (PVP) membranes were prepared by dual-bath coagulation phase inversion, where N-methylpyrrolidone (NMP)/water mixtures were used as the first coagulant before immersion into a water bath. CF4 plasma modification was utilized to render the originally hydrophilic membranes hydrophobic. The membranes were characterized by scanning electron microscopy (SEM), water contact angle, X-ray photoelectron spectroscopy (XPS), liquid entry pressure (LEPw), and gas permeability. Results demonstrated that the first coagulation bath acted as a dense skin layer remover in comparison to a PSf membrane prepared in a single water bath. CF4 plasma modified porous PSf membranes using pure NMP as the first coagulant showed a contact angle of 144 degrees and a DCMD flux of 5333 kg/m(2) . h (T-f = 70.3 degrees C), which was 80% higher than a commercial PVDF membrane with comparable performance stability. Heat and mass simulation modeling results demonstrated that the tortuosity of the PSf membranes is close to 1 in contrast to 2.5 for the commercial PVDF membranes. This result provides some theoretical understanding of the origin of the high performance of PSf MD membranes. (C) 2015 Elsevier B.V. All rights reserved.
关键词	Dual-bath coagulation Polysulfone Membrane distillation Plasma modification Tortuosity
收录类别	SCI ; EI
语种	英语
资助项目	National Key Basic Research Program of China (973 Program)[2012CB932800]
WOS研究方向	Engineering ; Water Resources
WOS类目	Engineering, Chemical ; Water Resources
WOS记录号	WOS:000357144400014
出版者	ELSEVIER SCIENCE BV
EI入藏号	20152000854762
EI主题词	Coagulation ; Contact angle ; Distillation ; Gas permeability ; Hydrophilicity ; Membranes ; Plasma stability ; Polysulfones ; Scanning electron microscopy ; X ray photoelectron spectroscopy
EI分类号	Chemistry:801 ; Chemical Plants and Equipment:802.1 ; Chemical Operations:802.3 ; Organic Polymers:815.1.1 ; Physical Properties of Gases, Liquids and Solids:931.2 ; Plasma Physics:932.3 ; Materials Science:951
WOS关键词	HOLLOW-FIBER MEMBRANES ; SACRIFICIAL-LAYER APPROACH ; INDUCED PHASE-SEPARATION ; PORE-SIZE DISTRIBUTION ; POLY(VINYLIDENE FLUORIDE) ; PVDF MEMBRANES ; MASS-TRANSFER ; POLYETHERSULFONE MEMBRANES ; MICROFILTRATION MEMBRANES ; IMMERSION PRECIPITATION
原始文献类型	Article
引用统计	正在获取...
文献类型	期刊论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/2159
专题	物质科学与技术学院_特聘教授组_何涛组
通讯作者	Liu, Jindun; Li, Xue-Mei
作者单位	1.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai, Peoples R China 2.Zhengzhou Univ, Sch Chem Engn & Energy, Zhengzhou 450052, Peoples R China 3.Shanghai Tech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
推荐引用方式 GB/T 7714	Tian, Miaomiao,Yin, Yong,Yang, Chi,et al. CF4 plasma modified highly interconnective porous polysulfone membranes for direct contact membrane distillation (DCMD)[J]. DESALINATION,2015,369:105-114.
APA	Tian, Miaomiao.,Yin, Yong.,Yang, Chi.,Zhao, Baolong.,Song, Jianfeng.,...&He, Tao.(2015).CF4 plasma modified highly interconnective porous polysulfone membranes for direct contact membrane distillation (DCMD).DESALINATION,369,105-114.
MLA	Tian, Miaomiao,et al."CF4 plasma modified highly interconnective porous polysulfone membranes for direct contact membrane distillation (DCMD)".DESALINATION 369(2015):105-114.