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Synthesis Gas Production from Methane with SrFeCo0.5Oy Membrane Reactor

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Partial oxidation of methane to synthesis gas was investigated in a reactor consisting of an
oxygen-permeable SrFeCo0.5Oy membrane tube and a Ni/ç-Al2O3 catalyst bed located after the
membrane tube. In this reactor, part of methane reacted with oxygen that permeated through
the membrane from air, and the resultants (H2O, CO2) and the rest of methane were transported
to the catalyst bed where they were converted to syngas. When a reactor of membrane surface
area 4.6 cm2 was run at 900 °C with a methane feeding rate of 26.8 mL/min, the throughput
conversion of methane was 98%, the CO selectivity 98%, H2/CO 1.8, syngas generation rate
16 mL/min/cm2. Under the reactor conditions, the layered phase Sr4(Fe,Co)6O13 in the membrane
gradually decomposed to a perovskite phase SrFe1-xCoxO3-ä with high oxygen permeability and
spinel phase [(CoFe)]2CoO4 with catalytic activity toward the oxidation of methane. The Ni-based
reforming catalyst exhibited desirable activity and stability in the membrane reactor, which may
be attributed to the absence of the “hot spots” in the catalyst.

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Informasi Detail

Judul Seri

Energy & Fuels

No. Panggil

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Penerbit

New York : American Chemical Society., 2004

Deskripsi Fisik

Energy & Fuels 2004, 18, 385-389

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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