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A Combined Catalyst and Sorbent for Enhancing Hydrogen Production from Coal or Biomass

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Future large-scale production of H2 for use as a clean fuel will likely depend upon gasifying coal or biomass
followed by steam reforming the resulting gas mixture and separating the CO2 byproduct. The process of
steam reforming and CO2 separation can be greatly simplified by utilizing a new material that combines a
reforming catalyst with a sorbent for CO2. Such a material was prepared in the form of small pellets with
cores made of calcium and magnesium oxides and shells made largely of alumina impregnated with a nickel
catalyst. Subsequent laboratory performance tests of the material showed that CO, CH4, and toluene, which
are representative products of gasification, were largely converted to H2 by reacting the material with steam
in the presence of the catalyst/sorbent, so that CO2 was absorbed as it was produced. The sorbent was easily
regenerated by raising its temperature, which made it possible to reuse the catalyst/sorbent repeatedly.

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Informasi Detail

Judul Seri

Energy & Fuels

No. Panggil

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Penerbit

New York : American Chemical Society., 2007

Deskripsi Fisik

Energy & Fuels 2007, 21, 322-326

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

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