Design of Silica Networks for Development of Highly Permeable Hydrogen Separation Membranes with Hydrothermal Stability

被引：221

作者：

Kanezashi, Masakoto ^{[1
]}

Yada, Kazuya ^{[1
]}

Yoshioka, Tomohisa ^{[1
]}

Tsuru, Toshinori ^{[1
]}

机构：

[1] Hiroshima Univ, Dept Chem Engn, Higashihiroshima 7398527, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 02期

关键词：

GAS SEPARATION; MFI MEMBRANES; ZEOLITE MEMBRANES; PERMEATION; DEPOSITION; SUPPORTS;

D O I：

10.1021/ja806762q

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A sol-gel method was applied for the development of highly permeable hydrogen separation membranes using bis(triethoxysilyl)ethane (BTESE) as a silica precursor. Hybrid silica membranes showed quite high hydrogen permeance (1 x 10(-5) mol m(-2) s(-1) Pa-1) with a high H-2-to-SF6 selectivity of 1000 because of loose organic-inorganic silica networks. Hybrid silica membranes were found to show high hydrothermal. stability due to the presence of Si-C-C-Si bonds in silica networks.

引用

页码：414 / +

页数：3

共 25 条

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