A study of poly (sodium 4-styrenesulfonate) as draw solute in forward osmosis

doi:10.1016/j.desal.2015.01.001

	A study of poly (sodium 4-styrenesulfonate) as draw solute in forward osmosis
	Tian, Enling1 ; Hu, Chengbo 2; Qin, Yan 3; Ren, Yiwei1 ; Wang, Xingzu1 ; Wang, Xiao1 ; Xiao, Ping 1; Yang, Xin 2
刊名	DESALINATION
	2015-03-16
卷号	360 页码:130-137
关键词	Draw solution Forward osmosis Poly (sodium 4-styrenesulfonate) Salt leakage Water flux
ISSN号	0011-9164
DOI	10.1016/j.desal.2015.01.001
通讯作者	Ren, YW (reprint author), Chinese Acad Sci, Ctr Membrane Technol & Applicat Engn, Key Lab Reservoir Aquat Environm, Chongqing Inst Green & Intelligent Technol, 266 Fangzheng Ave,Shuitu Hi Tech Ind Pk, Chongqing 400714, Peoples R China.
英文摘要	Draw solution (DS) has a great influence on the forward osmosis (FO) technology. The study of novel draw solute is essential in the development of FO technology. In this paper, poly (sodium 4-styrenesulfonate) (PSS) polyelectrolytes with different molecular weights (Mws) and different concentrations were studied. The physical properties, such as pH, conductivity and viscosity, have also been investigated. The conductivity increases with the increase of PSS concentration, which may lead to higher osmotic pressure. Higher viscosity, lower diffusion coefficient and more severe concentration polarization, which is generated by the polyelectrolyte with higher Mw, result in a lower water flux. Among the PSS polyelectrolytes, 024 g.mL(-1) PSS (70,000) exhibits the best FO flux. Experiment results demonstrate the advantage of using PSS as draw solute to conventional ionic salt of 0.5 mol.L-1 NaCl. The regeneration of PSS from diluted DSs and the repeatability of the FO performance after recovery have been evaluated. The PSS was easily recycled by a low pressure-driven ultrafiltration (UF) system under 2 bar with low energy consumption. In order to realize a satisfactory regeneration of PSS DS in the FO process, it is necessary to select or prepare an appropriate UP membrane with accurate MWCO. (C) 2015 Elsevier B.V. All rights reserved.
资助项目	Chongqing Commission of Science and Technology entitled "The development and application of high-throughput nanofibers forward osmosis membranes and membrane modules"[cstc2012ggC20001] ; National Natural Science Foundation of China entitled, "Research on the anti-corrosion, anti-heat mechanism and air filtration performance of Graphene oxide enhanced aramid nanofibers"[51478452]
WOS研究方向	Engineering ; Water Resources
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000350091800015
内容类型	期刊论文
源URL	[http://119.78.100.138/handle/2HOD01W0/1468]
专题	中国科学院重庆绿色智能技术研究院微纳制造与系统集成研究中心
通讯作者	Ren, Yiwei
作者单位	1.Chinese Acad Sci, Ctr Membrane Technol & Applicat Engn, Key Lab Reservoir Aquat Environm, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China 2.Chongqing Univ Arts & Sci, Chongqing Key Lab Environm Mat & Remediat Technol, Chongqing 402160, Peoples R China 3.Environm Monitoring Stn Banan Dist, Chongqing 401320, Peoples R China
推荐引用方式 GB/T 7714	Tian, Enling,Hu, Chengbo,Qin, Yan,et al. A study of poly (sodium 4-styrenesulfonate) as draw solute in forward osmosis[J]. DESALINATION,2015,360:130-137.
APA	Tian, Enling.,Hu, Chengbo.,Qin, Yan.,Ren, Yiwei.,Wang, Xingzu.,...&Yang, Xin.(2015).A study of poly (sodium 4-styrenesulfonate) as draw solute in forward osmosis.DESALINATION,360,130-137.
MLA	Tian, Enling,et al."A study of poly (sodium 4-styrenesulfonate) as draw solute in forward osmosis".DESALINATION 360(2015):130-137.