Effects of Lanthanum Substitution by Strontium and Calcium in La-Ni-Al Perovskite Oxides in Dry Reforming of Methane

Abstract

Abstract: Mixed perovskite oxides with CaxLa1-xNi0.3Al0.7O 3-d and SrxLa1-x-Ni0.3Al0.7O3-d (x=0, 0.2, 0.5, 0.8, and 1.0; d=0.5x) components have been pr epared by a sol-gel method. The effects of partial substitution of La by Ca and Sr on dry methane reforming were investigated at 500-800 °C and 101 kPa. Sr0.2La0.8Ni0.3Al0.7O2.9 showed a n excellent catalytic performance for methane dry reforming, with a H2/CO rati o of approximately 1 as depicted in the figure.

Key words: dry reforming, methane, lanthanum, calcium, strontium, perovskite

Alieh KHALESI;Hamid R. ARANDIYAN;Matin PARVARI*. Effects of Lanthanum Substitution by Strontium and Calcium in La-Ni-Al Perovskite Oxides in Dry Reforming of Methane[J]. Chinese Journal of Catalysis, 2008, 29(10): 960-968.

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Effects of Lanthanum Substitution by Strontium and Calcium in La-Ni-Al Perovskite Oxides in Dry Reforming of Methane

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