Kinetic and mechanistic aspects for CO2 reforming of methane over Ni based catalysts

被引：276

作者：

Kathiraser, Yasotha ^{[1
]}

Oernar, Usman ^{[1
]}

Saw, Eng Toon ^{[1
]}

Li, Ziwei ^{[1
]}

Kawi, Sibudjing ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 117576, Singapore

来源：

CHEMICAL ENGINEERING JOURNAL | 2015年 / 278卷

基金：

新加坡国家研究基金会;

关键词：

CO2 reforming of methane; Ni catalyst; Reaction kinetics; Rate determining steps; Characterization techniques; WATER-GAS SHIFT; CARBON-DIOXIDE; PARTIAL OXIDATION; PHOTOACOUSTIC MEASUREMENTS; BIMETALLIC CATALYSTS; TRANSIENT KINETICS; NI/AL2O3; CATALYSTS; NI/SIO2; CH4; NICKEL;

D O I：

10.1016/j.cej.2014.11.143

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In recent decades, CO2 utilization has become increasingly important in view of the escalating global warming phenomenon. In view of this, conversion of CO2 to syngas via CO2 (dry) reforming of methane (DRM) reaction has been gaining prominent research interest. This paper presents a review on the kinetic and mechanistic aspects for DRM reaction with focus on Ni based catalysts. Ni-based catalysts are commercially attractive due to the low cost and wide availability of Ni metal. Kinetic studies over the Ni based catalysts are vital in scaling up of the DRM process in order to assess its industrial viability. Many differing opinions have been formed for the rate determining steps (RDS) of the reaction kinetics. In this review, a survey of the differing RDS presented in literature based on the widely used Langmuir Hinshelwood Hougen Watson (LHHW) models for Ni-catalyzed DRM reactions are categorized and presented along with the importance of experimental techniques for justifying mechanistic formulation. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：62 / 78

页数：17

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