Catalytic Properties of Supported Pd/SBA-15 Catalyst for Selective Hydrogenation of Alkadienes

Chinese Journal of Catalysis ›› 2008, Vol. 29 ›› Issue (3): 206-208.

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Catalytic Properties of Supported Pd/SBA-15 Catalyst for Selective Hydrogenation of Alkadienes

LIU Jingyu1, LU Haimeng1, LING Zhengguo2, SHI Lihua1, XU Bolian1, FAN Yining1*

1 Key Laboratory of Mesoscopic Chemistry of Ministry of Education, Jiangsu Provincial Laboratory for Nanotechnology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, Jiangsu, China; 2 R&D Department, LAB Plant, Jinling Petrochemical Company, SINOPEC, Nanjing 210046, Jiangsu, China

Received:2008-03-25 Online:2008-03-25 Published:2012-03-01

Abstract

Abstract: The structure and catalytic properties of the supported Pd/SBA-15 catalyst for selective hydrogenation of C10-C13alkadienes have been studied using microreactor tests combined with temperature-programmed reduction, CO chemisorption, BET surface area measurements, and high-resolution transmission electron microscopy. The Pd/SBA-15 catalyst exhibits higher catalytic activity and selectivity than the commercial Pd/γ-Al2O3 catalyst for the reaction. The catalytic properties of the Pd/SBA-15 catalyst are closely related to Pd loading. With increasing Pd loading, Pd dispersion and the selectivity for alkenes decrease remarkably.

Key words: palladium, SBA-15, supported catalyst, alkadiene, selective hydrogenation

LIU Jingyu;LU Haimeng;LING Zhengguo;SHI Lihua;XU Bolian;FAN Yining*. Catalytic Properties of Supported Pd/SBA-15 Catalyst for Selective Hydrogenation of Alkadienes[J]. Chinese Journal of Catalysis, 2008, 29(3): 206-208.

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Catalytic Properties of Supported Pd/SBA-15 Catalyst for Selective Hydrogenation of Alkadienes

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