SCI和EI收录∣中国化工学会会刊

中国化学工程学报 ›› 2023, Vol. 64 ›› Issue (12): 87-95.DOI: 10.1016/j.cjche.2023.06.016

• Full Length Article • 上一篇    下一篇

Tailoring the separation performance of a carbon nanotube-based mixed matrix membrane decorated with metal–organic framework

Hui-Yong Wu1, Hong-Xin Fu1, Yu Liu1, Xiao-Sa Zhang1, Wen-Ze Li1, Jian Luan2   

  1. 1. College of Science, Shenyang University of Chemical Technology, Shenyang 110142, China;
    2. College of Sciences, Northeastern University, Shenyang 110819, China
  • 收稿日期:2023-03-10 修回日期:2023-06-04 出版日期:2023-12-28 发布日期:2024-02-05
  • 通讯作者: Wen-Ze Li,E-mail:wzli@syuct.edu.cn;Jian Luan,E-mail:2010044@stu.neu.edu.cn
  • 基金资助:
    This work was financially supported by the Liaoning Provincial Department of Education Fund (LJKMZ20220793 and LJKMZ20220795), the Applied Basic Research Program of Liaoning Science and Technology Department (2023JH2/101300231).

Tailoring the separation performance of a carbon nanotube-based mixed matrix membrane decorated with metal–organic framework

Hui-Yong Wu1, Hong-Xin Fu1, Yu Liu1, Xiao-Sa Zhang1, Wen-Ze Li1, Jian Luan2   

  1. 1. College of Science, Shenyang University of Chemical Technology, Shenyang 110142, China;
    2. College of Sciences, Northeastern University, Shenyang 110819, China
  • Received:2023-03-10 Revised:2023-06-04 Online:2023-12-28 Published:2024-02-05
  • Contact: Wen-Ze Li,E-mail:wzli@syuct.edu.cn;Jian Luan,E-mail:2010044@stu.neu.edu.cn
  • Supported by:
    This work was financially supported by the Liaoning Provincial Department of Education Fund (LJKMZ20220793 and LJKMZ20220795), the Applied Basic Research Program of Liaoning Science and Technology Department (2023JH2/101300231).

摘要: Synthesis of mixed matrix membranes (MMM) using carbon nanotubes (CNTs) has shown great prospects for achieving excellent selective separation because of its special structure. Nevertheless, the preparation of highly selective MMM faces challenges, which is attributed to the obstacles encountered by CNTs dispersion in polymer matrix and elimination of interface defects. A novel CNT-based composite decorated with metal–organic framework (MOF) was synthesized and applied to the preparation of MMM. MOF was post modified, and then carboxyl groups were inserted on the outer surface of CNTs. The synthetic MMM (Cu-MOF-en@MWCNT) not only has selective adsorption on dyes, but also has selective photodegradation on dyes. The method of using CNTs to wrap the outside of MOF has great potential in dye separation. The performance of MMM was further improved by decorating MOF on the filler to improve the selectivity to the designated dye.

关键词: Composites, Carbon nanotube, Metal-organic framework, Organic crosslinking, Selectivity, Adsorbents

Abstract: Synthesis of mixed matrix membranes (MMM) using carbon nanotubes (CNTs) has shown great prospects for achieving excellent selective separation because of its special structure. Nevertheless, the preparation of highly selective MMM faces challenges, which is attributed to the obstacles encountered by CNTs dispersion in polymer matrix and elimination of interface defects. A novel CNT-based composite decorated with metal–organic framework (MOF) was synthesized and applied to the preparation of MMM. MOF was post modified, and then carboxyl groups were inserted on the outer surface of CNTs. The synthetic MMM (Cu-MOF-en@MWCNT) not only has selective adsorption on dyes, but also has selective photodegradation on dyes. The method of using CNTs to wrap the outside of MOF has great potential in dye separation. The performance of MMM was further improved by decorating MOF on the filler to improve the selectivity to the designated dye.

Key words: Composites, Carbon nanotube, Metal-organic framework, Organic crosslinking, Selectivity, Adsorbents