Catalyst design for methane steam reforming

被引：42

作者：

Arcotumapathy, Viswanathan ^{[1
]}

Vo, Dai-Viet N. ^{[1
]}

Chesterfield, Dean ^{[1
]}

Tin, Cao T. ^{[1
]}

Siahvashi, Arman ^{[1
]}

Lucien, Frank P. ^{[1
]}

Adesina, Adesoji A. ^{[1
]}

机构：

[1] Univ New S Wales, Sch Chem Engn, Sydney, NSW 2052, Australia

来源：

APPLIED CATALYSIS A-GENERAL | 2014年 / 479卷

关键词：

Methane steam reforming; Supports; Promoters; Low steam-to-carbon; Catalyst design; OXIDATIVE DEHYDROGENATION; NI/SBA-15; CATALYST; MESOPOROUS SILICA; NICKEL-CATALYSTS; NEURAL-NETWORKS; HYDROGEN; SBA-15; KINETICS; SUPPORT; DEACTIVATION;

D O I：

10.1016/j.apcata.2014.04.020

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：

Commercial syngas production via methane steam reforming is conventionally carried out over Ni catalyst supported on semiconductor oxides such as Al2O3 and SiO2. The present work reports empirical verification of catalyst design for methane steam reforming carried out at relatively low steam-to-carbon feed ratio (2:1-2:1) and compares the behavior among SiO2, SBA-15 (mesoporous silica), gamma-Al2O3 and alpha-Al2O3 supported Ni catalyst. In addition promoters such as B, Ce, Mo and Zr were assessed. SBA-15 and Ce emerged to be significant support and promoter respectively. However there seems to be an optimum Ni wt% loading for a given support which was found to be 10 wt% for SBA-15. The investigations revealed that MSR over 1 wt% Ce/10 wt% Ni/SBA-15 at S:C = 1-2 at atmospheric pressure and 1073 K resulted in 92-99% methane conversion with higher H-2 to CO ratio and highly resistant to carbon deposition. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：87 / 102

页数：16

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