Synthesis and surface modification of ZSM-5 and Fe-ZSM-5 zeolite membranes

LIU Xiufeng; XU Kai; ZHANG Baoquan

doi:10.3969/j.issn.0438-1157.2014.z2.045

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Synthesis and surface modification of ZSM-5 and Fe-ZSM-5 zeolite membranes

更新时间：2025-12-10

- Synthesis and surface modification of ZSM-5 and Fe-ZSM-5 zeolite membranes
- CIESC Journal Issue z2, Pages: 304-309(2014)
- 作者机构：
  
  天津大学化工学院,天津,300072
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.z2.045
  CLC： B34
- Online First：30 December 2014，
  
  Published：30 December 2014
- 稿件说明：
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LIU Xiufeng, XU Kai, ZHANG Baoquan. Synthesis and surface modification of ZSM-5 and Fe-ZSM-5 zeolite membranes[J]. CIESC Journal, 2014, (z2): 304-309.
DOI：

LIU Xiufeng, XU Kai, ZHANG Baoquan. Synthesis and surface modification of ZSM-5 and Fe-ZSM-5 zeolite membranes[J]. CIESC Journal, 2014, (z2): 304-309. DOI： 10.3969/j.issn.0438-1157.2014.z2.045.

摘要

采用二次生长法在α-Al2O3载体上制备了ZSM-5及Fe-ZSM-5分子筛膜

合成后的ZSM-5和Fe-ZSM-5分子筛膜在450℃温度条件下脱除模板剂

采用NaOH和NaCO3处理ZSM-5和Fe-ZSM-5分子筛膜后

可提高其亲水性

改善了膜层对乙醇水溶液的脱水性能

渗透通量和分离因子均有所提高。其中Fe-ZSM-5分子筛膜经NaOH处理后

渗透通量为2.01 kg·m-2·h-1

分离因子为21.0。

Abstract

ZSM-5 and Fe-ZSM-5 membranes were synthesized on α-Al2O3 by secondary growth. The organic templates were removed at 450℃ in the flowing air environment. After ZSM-5 and Fe-ZSM-5 membranes were treated with NaOH or NaCO3 solution

the hydrophilicity of the membrane surface could be enhanced

leading to improved permeation flux and separation factor in prevoporation of aqueous ethanol solution. After treated by NaOH for 2 h

the permeation flux of Fe-ZSM-5 membrane could reach to 2.01 kg·m-2·h-1 with the separation factor of 21.0.

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