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Synthesis of MIL-88B(Fe)/Matrimid mixed-matrix membranes with high hydrogen permselectivity

  • Yuanlong Xiao
  • , Xiangyu Guo
  • , Hongliang Huang
  • , Qingyuan Yang
  • , Aisheng Huang*
  • , Chongli Zhong
  • *此作品的通讯作者
  • Beijing University of Chemical Technology
  • CAS - Ningbo Institute of Material Technology and Engineering

科研成果: 期刊稿件文章同行评审

摘要

A cheap and biocompatible metal-organic framework MIL-88B(Fe) (MIL = Material Institut Lavoisier) was synthesized and incorporated into Matrimid® 5218 to fabricate mixed-matrix membranes (MMMs) for gas separation. Separation performances of the MIL-88B(Fe)/Matrimid MMMs were tested for the single gas permeation of H2 and CH4 as well as the mixture gas separation of an equimolar binary H2-CH4 mixture. Due to the molecular sieving effect, the incorporation of MIL-88B(Fe) can enhance H2 permeability but hinder the transport of CH4 in MIL-88B(Fe)/Matrimid MMMs, thus resulting in enhanced separation selectivity of H2-CH4. At 298 K and ΔP = 3.0 bar, compared with those of a pure polymeric membrane, the H2 permeability and H2-CH4 mixture separation factor of MMMs with a MIL-88B(Fe) loading of 10% increased by 16% and 66%, respectively. In addition, the operation temperature has a significantly positive effect on the separation of a H2-CH4 mixture.

源语言英语
页(从-至)7253-7259
页数7
期刊RSC Advances
5
10
DOI
出版状态已出版 - 2015
已对外发布

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