Study on water gas shift reaction performance using Pt-based catalysts at high temperatures

被引：16
作者：
Chein, R. Y. [1 ]
Lin, Y. H. [1 ]
Chen, Y. C. [2 ]
Chyou, Y. P. [3 ]
Chung, J. N. [4 ]
机构：
[1] Natl Chung Hsing Univ, Dept Mech Engn, Taichung 40227, Taiwan
[2] Natl United Univ, Dept Energy Engn, Miaoli 36003, Taiwan
[3] Inst Nucl Energy Res, Ctr Environm & Energy, Taoyuan 32546, Taiwan
[4] Univ Florida, Dept Mech & Aerosp Engn, Gainesville, FL 32611 USA
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 33期
关键词：
Water-gas shift reaction (WGSR); Pt-based catalyst; CO conversion; Bimetallic catalyst; BIMETALLIC CATALYSTS; HYDROGEN-PRODUCTION; MEMBRANE REACTORS; PT/CEO2; CATALYSTS; PT/TIO2; CATALYST; METAL-CATALYSTS; H-2; PRODUCTION; KINETICS; COAL; TECHNOLOGIES;
D O I：
10.1016/j.ijhydene.2014.09.055
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：
The water gas shift reaction (WGSR) performance was experimentally studied using Pt-based catalysts for temperature, time factor and steam to carbon (S/C) molar ratio at ranges of 750-850 degrees C, 10-20 g(cat)h/mol(co), and 1-5, respectively. Al2O3 spheres were used as the catalyst support. For the high S/C cases, it was found that CO conversion can be enhanced when Pt/CeO2/Al2O3 catalyst was used as compared with Pt/Al2O3. For the low S/ C ratio cases, CO conversion enhancement was not significant with the addition of CeO2. It was also found that CO conversion was not influenced by the CeO2 amount to a large extent. Using bimetallic Pt-Ni/CeO2/Al2O3 catalyst, it was found that higher CO conversion can be obtained as compared with CO conversions obtained from monometallic catalysts (Pt/Al2O3 or Pt/CeO2/Al2O3). The experimental data also indicated that good thermal stability can be obtained for the Pt-based catalysts studied. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：18854 / 18862
页数：9
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