Fabrication of TiO2 nanofiber membranes by a simple dip-coating technique for water treatment

被引：39
|
作者：
Zhang, Qi [1 ]
Wang, Hua [1 ]
Fan, Xinfei [2 ]
Lv, Fenghe [1 ]
Chen, Shuo [2 ]
Quan, Xie [2 ]
机构：
[1] Dalian Ocean Univ, Sch Fisheries & Life Sci, Engn Res Ctr Shellfish Culture & Breeding Liaonin, Dalian 116023, Peoples R China
[2] Dalian Univ Technol, Fac Chem Environm & Biol Sci & Technol, Dalian 116024, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2016年 / 298卷
基金：
中国国家自然科学基金;
关键词：
TiO2; nanofibers; Ceramic membranes; Photocatalysis; Water treatment; HOLLOW-FIBER MEMBRANES; CERAMIC MEMBRANES; PHOTOCATALYTIC ACTIVITY; ENVIRONMENTAL APPLICATIONS; COMPOSITE MEMBRANE; TITANIUM-DIOXIDE; NANOTUBE ARRAYS; SEPARATION; NANOPARTICLES; DEGRADATION;
D O I：
10.1016/j.surfcoat.2016.04.054
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A TiO2 nanofiber membrane was fabricated by coating TiO2 nanofibers on a ceramic hollow fiber membrane support using a simple dip-coating technique. Scanning electron microscopy reveals that the TiO2 nanofibers uniformly cover the entire surface of the membrane, and the anatase crystal phase of TiO2 is present based on X-ray diffraction spectroscopy data. The TiO2 nanofiber membrane has a porosity of about 80% and a pure water flux of 1700 L/(m(2). h). Meanwhile, the performance of this TiO2 nanofiber membrane was evaluated using humic acid (HA) as a test substance, and a high HA removal of 90% is achieved. This approach provides a simple technique for fabricating photocatalytic membranes for water treatment. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：45 / 52
页数：8
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