TY - JOUR
T1 - Oxidative steam reforming of methane under atmospheric and pressurized conditions over Pd/NiO-MgO solid solution catalysts
AU - Nurunnabi, Mohammad
AU - Mukainakano, Yuya
AU - Kado, Shigeru
AU - Miyazawa, Tomohisa
AU - Okumura, Kazu
AU - Miyao, Toshihiro
AU - Naito, Shuichi
AU - Suzuki, Kimihito
AU - Fujimoto, Ken Ichiro
AU - Kunimori, Kimio
AU - Tomishige, Keiichi
N1 - Funding Information:
A part of this study is supported by a Industrial Technology Research grant (05A43002C) from the New Energy and Industrial Technology Development Organization (NEDO) of Japan. EXAFS studies has been performed under the approval of the Photon Factor Advisory Committee (proposal no. 2006G095).
PY - 2006/7/10
Y1 - 2006/7/10
N2 - The effect of the Pd loading in NiO-MgO solid solution was investigated in oxidative steam reforming of methane under atmospheric and pressurized conditions. The small amounts of Pd addition on Ni0.2Mg0.8O can inhibit the oxidation of Ni species and the mixture can maintain the reforming ability at low W/F conditions under atmospheric pressure, where Ni0.2Mg0.8O catalyst deactivated. In addition, Ni0.2Mg0.8O catalyst improved remarkably, gaining both high activity and excellent stability by the addition of small amounts of Pd under pressurized conditions. The deactivation rate was closely related to the amount of deposited carbon. Characterization results of TEM, TPR, EXAFS and FTIR suggest that Pd-Ni alloy particles are formed on Pd/Ni0.2Mg0.8O catalysts. The Pd-Ni alloy particles with a low ratio of Pd to Ni can play an important role in the high resistance to carbon deposition.
AB - The effect of the Pd loading in NiO-MgO solid solution was investigated in oxidative steam reforming of methane under atmospheric and pressurized conditions. The small amounts of Pd addition on Ni0.2Mg0.8O can inhibit the oxidation of Ni species and the mixture can maintain the reforming ability at low W/F conditions under atmospheric pressure, where Ni0.2Mg0.8O catalyst deactivated. In addition, Ni0.2Mg0.8O catalyst improved remarkably, gaining both high activity and excellent stability by the addition of small amounts of Pd under pressurized conditions. The deactivation rate was closely related to the amount of deposited carbon. Characterization results of TEM, TPR, EXAFS and FTIR suggest that Pd-Ni alloy particles are formed on Pd/Ni0.2Mg0.8O catalysts. The Pd-Ni alloy particles with a low ratio of Pd to Ni can play an important role in the high resistance to carbon deposition.
KW - Carbon deposition
KW - Deactivation
KW - Methane
KW - NiO-MgO solid solution
KW - Oxidative reforming
KW - Pd
KW - Steam reforming
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U2 - 10.1016/j.apcata.2006.03.054
DO - 10.1016/j.apcata.2006.03.054
M3 - Article
AN - SCOPUS:33744915512
VL - 308
SP - 1
EP - 12
JO - Applied Catalysis A: General
JF - Applied Catalysis A: General
SN - 0926-860X
ER -