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Membranes (Basel). 2017 Mar 18;7(1). pii: E16. doi: 10.3390/membranes7010016.

Fabrication and Water Treatment Application of Carbon Nanotubes (CNTs)-Based Composite Membranes: A Review.

Author information

1
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China. 201420120617@mail.scut.edu.cn.
2
Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China. 201420120617@mail.scut.edu.cn.
3
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China. cexfdong@scut.edu.cn.
4
CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China. mlchen@iue.ac.cn.
5
CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China. lzhu@iue.ac.cn.
6
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China. wangchaoxian0620@163.com.
7
Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China. yangfl@dlut.edu.cn.
8
Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China. ycdong@dlut.edu.cn.

Abstract

Membrane separation technology is widely explored for various applications, such as water desalination and wastewater treatment, which can alleviate the global issue of fresh water scarcity. Specifically, carbon nanotubes (CNTs)-based composite membranes are increasingly of interest due to the combined merits of CNTs and membrane separation, offering enhanced membrane properties. This article first briefly discusses fabrication and growth mechanisms, characterization and functionalization techniques of CNTs, and then reviews the fabrication methods for CNTs-based composite membranes in detail. The applications of CNTs-based composite membranes in water treatment are comprehensively reviewed, including seawater or brine desalination, oil-water separation, removal of heavy metal ions and emerging pollutants as well as membrane separation coupled with assistant techniques. Furthermore, the future direction and perspective for CNTs-based composite membranes are also briefly outlined.

KEYWORDS:

CNTs-based composite membranes; fabrication methods; membrane materials; membrane technology; water treatment

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