Removal of humic acid from water and fouling mechanism by photocatalytic membrane

被引：0

作者：

Rau, Juiyeh ^{[1
,2
,3
]}

Mao, Zhujian ^{[1
,2
]}

Lin, Jingjing ^{[1
]}

Liao, Xialu ^{[1
]}

Hu, Jiapeng ^{[1
,2
]}

Lin, Hao ^{[1
,2
]}

机构：

[1] Department of Ecology and Resource Engineering, Wuyi University, Wuyishan,Fujian,354300, China

[2] Fujian Provincial Key Laboratory of Eco-Industrial Green Technology (Wuyi University), Wuyishan,Fujian,354300, China

[3] Fujian Provincial Key Laboratory of Featured Materials in Biochemical Industry(Ningde Normal University), Ningde,Fujian,352100, China

来源：

Huagong Jinzhan/Chemical Industry and Engineering Progress | 2018年 / 37卷 / 09期

关键词：

Efficiency - Water filtration - TiO2 nanoparticles - Organic acids;

D O I：

10.16085/j.issn.1000-6613.2017-2663

中图分类号：

学科分类号：

摘要：

The preparation of TiO2/polyphenylsulfone (PPSU)/polyetherimide (PEI) photocatalytic membrane by using wet phase transformation method was studied. The control of humic acid (HAs) and fouling mechanism from wastewater were also investigated. Results showed that the increasing of PEI ratio, water and filtration flux of humic acid were higher and the removal efficiency of humic acid was lower. With the extension of illumination time, the removal efficiencies were tended to stable and there was a recovery phenomenon. Under 0.2 MPa operating pressure, the prepared TiO2/PPSU/PEI photocatalytic membrane (1%/50%/50%) were the good reversible resistance ratio (Rc/Rt = 48.24%), flux and HAs removal efficiency. The permeate flux, photocatalytic removal efficiency of HAs and backwash flux were 34.0L/(m2•h), 63.2% and 22.5L/(m2•h), respectively. © 2018, Chemical Industry Press. All right reserved.

引用

页码：3649 / 3656

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