Improvement of Coke Resistance Performance of Ni-Based Catalysts in Methane Reforming via Glow Discharge Plasma Treatment

Chinese Journal of Catalysis ›› 2008, Vol. 29 ›› Issue (10): 1058-1066.

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Improvement of Coke Resistance Performance of Ni-Based Catalysts in Methane Reforming via Glow Discharge Plasma Treatment

ZHANG Yueping1, ZHU Xinli2, PAN Yunxiang2, LIU Changjun2*

1 Department of Chemistry, Tianjin University, Tianjin 300072, China; 2 School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Received:2008-10-25 Online:2008-10-25 Published:2008-10-25

Abstract

Abstract: The glow discharge plasma treatment of Ni catalysts followed by calcination ther mally leads to a significant improvement in the coke resistance. Such plasma-tr eated catalyst contains high concentration of close packed plane with improved N i dispersion and enhanced Ni-alumina interaction, which lead to high catalytic activity and excellent resistance to formation of filamentous carbon and encapsu lating carbon.

Key words: methane, carbon dioxide, reforming, nickel catalyst, coke

ZHANG Yueping;ZHU Xinli;PAN Yunxiang;LIU Changjun*. Improvement of Coke Resistance Performance of Ni-Based Catalysts in Methane Reforming via Glow Discharge Plasma Treatment[J]. Chinese Journal of Catalysis, 2008, 29(10): 1058-1066.

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Improvement of Coke Resistance Performance of Ni-Based Catalysts in Methane Reforming via Glow Discharge Plasma Treatment

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