Synthesis of an IMF zeolite membrane for the separation of xylene isomer

Wenwen Zhang; Zhigang Xue; Liyun Cui; Haoliang Gao; Di Zhao; Rongfei Zhou; Weihong Xing

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Synthesis of an IMF zeolite membrane for the separation of xylene isomer

Full Length Article | Updated：2026-01-06

- Synthesis of an IMF zeolite membrane for the separation of xylene isomer
- Chinese Journal of Chemical Engineering Vol. 60, Issue 8, Pages: 205-211(2023)
- Affiliations：
  
  1. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University,Nanjing,China,210009
  2. Chambroad Chemical Industry Research Institute Co. Ltd.,Binzhou,China,256500
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2023
- Accepted：
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Wenwen Zhang, Zhigang Xue, Liyun Cui, Haoliang Gao, Di Zhao, Rongfei Zhou, Weihong Xing. Synthesis of an IMF zeolite membrane for the separation of xylene isomer[J]. Chinese Journal of Chemical Engineering, 2023, 60(8): 205-211.
DOI：

Wenwen Zhang, Zhigang Xue, Liyun Cui, Haoliang Gao, Di Zhao, Rongfei Zhou, Weihong Xing. Synthesis of an IMF zeolite membrane for the separation of xylene isomer[J]. Chinese Journal of Chemical Engineering, 2023, 60(8): 205-211. DOI：

摘要

Abstract

The synthesis of a continuous IMF zeolite membrane was fabricated on tubular substrates by seeded growth for the first time. The straight channels of IMF zeolite with diameters of 0.53-0.59 nm are distinguishable for

-xylene from

-xylene molecules. Pure IMF-phase high-silica IM-5 zeolite seeds with uniform and fine crystal size were fabricated by a new sonication-assisted aging process. The seeds were coated on the support by dipcoating and induced the formation of continuous membrane. Separation performance in

-xylene mixture was investigated at various temperature and pressure. The typical IM-5 zeolite membrane had

-xylene separation factor of 3.7. Our results suggest that IM-5 zeolite is a potentially good membrane material for the separation of xylene mixtures.

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