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Investigation of H2O and CO2 Reforming and Partial Oxidation of Methane: Catalytic Effects of Coal Char and Coal Ash

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Methane reforming and partial oxidation was studied to evaluate the catalytic effects of coal chars and coal
ashes on methane (CH4) conversion, sum selectivity (the sum of H2 and CO), and ratio selectivity (the ratio
of H2/CO) in an atmospheric fluidized bed. The kinetics study presented the possibility of CH4 reforming and
partial oxidation with a favorable H2/CO ratio, greater than 5. The higher H2/CO ratio in CH4 reforming and
the partial-oxidation process can reduce the consumption of CH4 needed to adjust the H2/CO ratio during
combined coal gasification and methane reforming. Coal ashes failed to be good candidates of catalysts on
CH4 reforming and partial oxidation because of their very low specific surface area available for catalytic
reactions. However, coal chars presented very promising catalytic performance on CH4 reforming and partial
oxidation because of their larger specific surface area. In this study, no other constituents in coal fly ash or special surface properties of coal chars were correlated with the enhanced methane-conversion efficiency. It seems that the specific surface area is only variable in controlling methane-conversion efficiency.

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Informasi Detail

Judul Seri

Energy & Fuels

No. Panggil

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Penerbit

New York : American Chemical Society., 2008

Deskripsi Fisik

Energy & Fuels 2008, 22, 2341–2345

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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