Stable high-purity hydrogen production by dehydrogenation of cyclohexane using a membrane reactor with neither carrier gas nor sweep gas

被引：28

作者：

Akamatsu, Kazuki ^{[1
]}

Ohta, Yudai ^{[1
]}

Sugawara, Takashi ^{[1
]}

Kanno, Nozomu ^{[2
]}

Tonokura, Kenichi ^{[2
]}

Hattori, Tadashi ^{[3
]}

Nakao, Shin-ichi ^{[1
]}

机构：

[1] Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

[2] Univ Tokyo, Ctr Environm Sci, Bunkyo Ku, Tokyo 1130033, Japan

[3] Nagoya Ind Sci Res Inst, Chikusa Ku, Nagoya, Aichi 4640819, Japan

来源：

JOURNAL OF MEMBRANE SCIENCE | 2009年 / 330卷 / 1-2期

关键词：

Membrane reactor; Silica membrane; Chemical vapor deposition; Chemical hydride; Hydrogen; PALLADIUM MEMBRANE; SILICA MEMBRANES; METHANE; PERFORMANCE; SEPARATION; SULFIDE;

D O I：

10.1016/j.memsci.2008.12.044

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Hydrogen with purity up to 99.9% was produced stably by dehydrogenation of cyclohexane using a membrane reactor with a hydrogen-selective amorphous silica membrane. This membrane reactor was operated successfully under pressure with no carrier gas on the reaction side or any sweep gas on the permeate side, which is a first in the case of the silica membrane. The reactor could supply hydrogen at atmospheric pressure, with only very small amounts of benzene and unreacted cyclohexane, directly to a fuel cell. In addition, this membrane reactor showed excellent performance stability during five startup-operate-shutdown cycles without any special regeneration process. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1 / 4

页数：4

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