Bench-scale WGS membrane reactor for CO2 capture with co-production of H2

被引：16
|
作者：
Li, H. [1 ]
Pieterse, J. A. Z. [1 ]
Dijkstra, J. W. [1 ]
Boon, J. [1 ]
van den Brink, R. W. [1 ]
Jansen, D. [1 ]
机构：
[1] Energy Res Ctr Netherlands ECN, NL-1755 ZG Petten, Netherlands
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 05期
关键词：
Bench-scale; WGS membrane reactor; M-WGS; NGCC; H-2 recovery factor; Long-term stability; WATER-GAS SHIFT; THIN PD MEMBRANES; HYDROGEN; PALLADIUM; SEPARATION; PD/AG; DECOMPOSITION; TECHNOLOGY; MIXTURES;
D O I：
10.1016/j.ijhydene.2011.11.135
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：
This study investigated the water-gas shift reaction in a bench-scale membrane reactor (M-WGS), where three supported Pd membranes of 44 cm in length and ca. 6 mu m in thickness were used, reaching a total membrane surface area of 580.6 cm(2). The WGS reaction was studied with the syngas mixture: 4.0% CO, 19.2% CO2, 15.4% H2O, 1.2% CH4 and 60.1% H-2, under high temperature/pressure conditions: T = 673 K, p(feed) = 20-35 bar(a), P-perm = 15 bar(a), mimicking CO2 capture with co-production of H-2 in a natural gas fired power plant. High reaction pressure and high permeation of Pd membranes allowed for near complete CO conversion and H-2 recovery. Both the membranes and the membrane reactor demonstrated a long-term stability under the investigated conditions, indicating the potential of M-WGS to substitute conventional systems. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：4139 / 4143
页数：5
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