Title

Fossil hydrogen with reduced CO2 emission: Modeling thermocatalytic decomposition of methane in a fluidized bed of carbon particles

Authors

Authors

N. Muradov; Z. Chen;F. Smith

Comments

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Abbreviated Journal Title

Int. J. Hydrog. Energy

Keywords

hydrogen; methane decomposition; modeling; fluidized bed reactor; TURBULENT FLUIDIZATION; ACTIVATED CARBONS; DECARBONIZATION; TRANSITION; PYROLYSIS; FUEL; Chemistry, Physical; Electrochemistry; Energy & Fuels

Abstract

Thermocatalytic decomposition (TCD) of methane is an environmentally attractive approach to the production of hydrogen with reduced CO2 emissions. The perspectives of large-scale hydrogen production via TCD of natural gas (NG) are discussed in this paper. The process involves a fluidized bed reactor-regenerator system with carbon catalyst particles circulating between the apparatuses in a fluidized state. Modeling and scaling-up of a fluidized bed reactor (FBR) for TCD of NG is presented in this paper. In particular, two mathematical models, one for the bubbling fluidized bed and the other for the turbulent fluidized bed, were developed and implemented into a computer code to predict the FBR performance. These models capture most of the chemistry and physics occurring within the FBR. Model predictions compared favorably with the experimental data on methane decomposition over carbon catalyst particles. (c) 2005 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

Journal Title

International Journal of Hydrogen Energy

Volume

30

Issue/Number

10

Publication Date

1-1-2005

Document Type

Article

Language

English

First Page

1149

Last Page

1158

WOS Identifier

WOS:000230349800013

ISSN

0360-3199

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