Effects of Metal Oxide in ZSM-5 Zeolite on Its Catalytic Performance in FCC Process

作     者：Qin Jinlai Ouyang Ying Li Minggang Luo Yibin Shu Xingtian(SINOPEC Research Institute of Petroleum Processing,Beijing 100083) 

作者机构：SINOPEC Research Institute of Petroleum Processing Beijing 100083 China 

出 版 物：《China Petroleum Processing & Petrochemical Technology》 (中国炼油与石油化工（英文版）)

年 卷 期：2011年第13卷第2期

页      面：43-46页

核心收录：

学科分类：081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

主　　题：ZSM-5 zeolite metal oxide fluid catalytic cracking propylene 

摘      要：Effects of metal oxide in ZSM-5 zeolite on its catalytic performance in fluid catalytic cracking reaction were studied via characterization by XRD and FT-IR spectroscopy using pyridine and collidine as molecular probes,and the modified ZSM-5 zeolite was evaluated in a micro reactor using standard light diesel fraction as the *** results indicate that the metal species introduced into the ZSM-5 zeolite had led to the formation of Lewis acid *** the modified ZSM-5 zeolite with the metal species on its surface was used as the catalyst in FCC reaction,both the propylene yield and the propylene concentration in the liquefied petroleum gas increased,but in the meantime,more hydrogen and coke were formed at high conversion rate under the joint action of nonselective cracking of Lewis acid centers and dehydrogenation at metal centers on its outside surface.