Triple-Layer Nanofiber Membranes for Treating High Salinity Brines Using Direct Contact Membrane Distillation

被引：35

作者：

Al-Furaiji, Mustafa ^{[1
,2
]}

Arena, Jason T. ^{[3
]}

Ren, Jian ^{[3
]}

Benes, Nieck ^{[4
]}

Nijmeijer, Arian ^{[2
]}

McCutcheon, Jeffrey R. ^{[3
]}

机构：

[1] Minist Sci & Technol, Environm & Water Directorate, Baghdad 10001, Iraq

[2] Univ Twente, Inorgan Membranes, Fac Sci & Technol, Mesa Inst Nanotechnol, POB 217, NL-7500 AE Enschede, Netherlands

[3] Univ Connecticut, Dept Chem & Biomol Engn, 191 Auditorium Rd,Unit 3222, Storrs, CT 06269 USA

[4] Univ Twente, Films Fluids, Fac Sci & Technol, Mesa Inst Nanotechnol, POB 217, NL-7500 AE Enschede, Netherlands

来源：

MEMBRANES | 2019年 / 9卷 / 05期

关键词：

membrane distillation; triple layer composite membrane; highly concentrated solutions; PVDF; PES; MECHANICAL-PROPERTIES; DESALINATION; IMPACT;

D O I：

10.3390/membranes9050060

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A composite, three-layered membrane for membrane distillation was prepared from electrospun polyvinylidene fluoride (PVDF) nanofibers supported by commercial polyethersulfone (PES) nanofiber based nonwoven from E.I. duPont de Nemours company (DuPont). The membranes were tested in direct contact membrane distillation (DCMD) using a 5.0 M sodium chloride brine as a feed solution. The triple layer membrane combines the hydrophobicity of PVDF and the robustness of the PES. The triple layer membrane demonstrated excellent performance in DCMD (i.e., relatively high water flux compared to the commercial PVDF membrane and a complete salt rejection of the brine) with mechanical properties imparted by the PES layer. This work is the first to demonstrate the use of a commercially produced nanofiber nonwoven for membrane distillation.

引用

页数：10

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