Enhanced decomposition of sulfur trioxide in the water-splitting iodine-sulfur process via a catalytic membrane reactor

被引：9

作者：

Meng, Lie ^{[1
]}

Kanezashi, Masakoto ^{[1
]}

Yu, Xin ^{[1
]}

Tsuru, Toshinori ^{[1
]}

机构：

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

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2016年 / 4卷 / 40期

基金：

日本科学技术振兴机构;

关键词：

HYDROGEN-PRODUCTION; ORGANOSILICA MEMBRANES; PEROVSKITE MEMBRANE; PARTIAL OXIDATION; SILICA MEMBRANES; GAS SEPARATION; METHANE; PERMEATION; CYCLE; SIZE;

D O I：

10.1039/c6ta06484a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Here, for the first time, we report the decomposition of SO3 within an intermediate-temperature range using a catalytic membrane reactor. We achieved a remarkable level of O-2/SO3 selectivity at 18.7 (Knudsen selectivity: 1.6) and a significant increase in SO3 conversion at 600 degrees C. In addition, normalized Knudsen-based permeance (NKP) through the microporous silicamembrane allowed us to provide the first report on the molecular size of SO3 molecule (0.470 nm).

引用

页码：15316 / 15319

页数：4

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