Synthesis of Pt-SnOx/TS-1@SBA-16 Composites and Their High Catalytic Performance for Propane Dehydrogenation  

作　　者：LI Hongda ZHAO Zhen LI Jiacheng LI Jianmei ZHAO Linlin SUN Jiachen FAN Xiaoqiang 

机构地区：[1]State Key Laboratory of Heavy Oil Processing,China University of Petroleum,Beijing 102249,P.R.China [2]Institute of Catalysis for Energy and Environment,College of Chemistry and Chemical Engineering,Shenyang Normal University,Shenyang 110034,P.R.China

出　　处：《Chemical Research in Chinese Universities》2019年第5期866-873,共8页高等学校化学研究（英文版）

基　　金：Supported by the National Natural Science Foundation of China(Nos.21845201,21761162016,21603148).

摘　　要：A novel composite material of TS-1@SBA-16 was synthesized by enwrapping TS-1 zeolite crystals with mesoporous SBA-16 silica. This composite was used as catalyst support for loading Pt-SnOx in the propane dehydr genation(PDH) reaction. Catalysts were characterized by means ofN2 adsorption-desorption, XRD, SEM, TEM, XPS, UV-Vis, and Raman spectroscopy. The effect of different contents of TS-1 on PDH was investigated, and the optimal amount of TS-1 was determined to be 10%. The catalyst with TS-1 content of 10% showed the highest PDH activity and the initial conversion of propane over it can achieve 54.5%, higher than those over TS-1 or SB A-16-supported ones. The superior catalytic performance of Pt-SnOx/TS-1 @SBA-16 is related to the synergistic effect of the excellent mass transfer performance through the hierarchical porous structure, suitable acid acidity and electronic effect of Ti species.

关 键 词：Catalyst Pt-SnOx PROPANE DEHYDROGENATION TS-1 ZEOLITE Micro- and meso-porous material 

分 类 号：O6[理学—化学]