Effect of interactions between Co2+ and surface goethite layer on the performance of α-FeOOH coated hollow fiber ceramic ultrafiltration membranes

被引：6

作者：

Zhu, Zhiwen ^{[1
]}

Zhu, Li ^{[2
]}

Li, Jianrong ^{[2
]}

Tang, Jianfeng ^{[2
]}

Li, Gang ^{[2
]}

Hsieh, Yi-Kong ^{[3
]}

Wang, TsingHai ^{[3
]}

Wang, Chu-Fang ^{[3
]}

机构：

[1] Qilu Univ Technol, Sch Mat Sci & Engn, Key Lab Proc & Testing Technol Glass & Funct Cera, Jinan, Peoples R China

[2] Chinese Acad Sci, Inst Urban Environm, Xiamen, Peoples R China

[3] Natl Tsing Hua Univ, Biomed Engn & Environm Sci, Hsinchu, Taiwan

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2016年 / 466卷

基金：

中国国家自然科学基金;

关键词：

Donnan effect; Surface interaction; Surface complexation modeling; Water energy nexus; ENHANCED CONCENTRATION POLARIZATION; REVERSE-OSMOSIS; NANOFILTRATION; ADSORPTION; FILTRATION; REJECTION; REMOVAL; FLUX; RO;

D O I：

10.1016/j.jcis.2015.12.014

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The consideration of water energy nexus inspires the environmental engineering community to pursue a more sustainable strategy in the wastewater treatment. One potential response would be to enhance the performance of the low-pressure driven filtration system. To reach this objective, it is essential to have a better understanding regarding the surface interaction between the target substance and the surface of membrane. In this study, the hollow fiber ceramic membranes were coated with a goethite layer in order to enhance the Co2+ rejection. Experimental results indicate that higher Co2+ rejections are always accompanied with the significant reduction in the permeability. Based on the consideration of electroviscous effect, the surface interactions including the induced changes in viscosity, pore radius and Donnan effect in the goethite layer are likely responsible for the pH dependent behaviors in the rejection and permeability. These results could be valuable references to develop the filtration system with high rejection along with acceptable degree of permeability in the future. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：28 / 35

页数：8