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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 9
BKCSDE 32(9)
September 20, 2011

Title	Characteristics of Ni/3d Series Transition Metal/γ-Al₂O₃ Catalysts and their Hydrogen Production Abilities from Butane Steam Reforming
Author	Jun Su Lee, Byung-Hyun Choi, Mi-Jung Ji, Misook Kang*
Keywords	Hydrogen production, Butane steam reforming reaction, Nickel/3d series metal/gamma-alumina, Manganese-loaded material
Abstract	The materials composed of the 3d series transition metals are introduced into the hydrocarbon steam-reforming reaction in order to enhance the H2 production and abruptly depress the catalytic deactivation resulting from the strong sintering between the Ni component and the γ-Al2O3 support. The conventional impregnation method is used to synthesize the Ni/3d series metal/γ-Al2O3 materials through the sequentially loading Ni source and the 3d series metal (Ti, V, Cr, Mn, Fe, Co, Cu, and Zn) sources onto the γ-Al2O3 support. The Mnloaded material exhibits a significantly higher reforming reactivity than the conventional Ni/γ-Al2O3 and the other Ni/3d series metal/γ-Al2O3 materials. Particularly the addition of Mn selectively improves the H2 product selectivity by eliminating the formation of CH4 and CO. The H2 production is maximized at a value of 95% over Ni(0.3)/Mn(0.3)/γ-Al2O4(1.0) with a butane conversion of 100% above 750 oC for up to 55 h.
Page	3281 - 3289
Full Text	PDF

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