Indexed by:
期刊论文
First Author:
Zhang, Miao
Correspondence Author:
Liang, CH (reprint author), Dalian Univ Technol, Lab Adv Mat & Catalyt Engn, Dalian 116024, Peoples R China.
Co-author:
Li, Chuang,Chen, Yujing,Tsang, Chi-Wing,Zhang, Qiumin,Liang, Changhai
Date of Publication:
2016-01-01
Journal:
CATALYSIS SCIENCE & TECHNOLOGY
Included Journals:
EI、SCIE
Document Type:
J
Volume:
6
Issue:
22
Page Number:
8016-8023
ISSN No.:
2044-4753
Abstract:
A composite co-crystalline zeolite Eu-1/ZSM-48 was synthesized by a hydrothermal method. The composite materials consist of crystals with intergrowth between the EU-1 (EUO framework type) zeolite and ZSM-48 (MRE framework type) zeolite. The physicochemical properties of EU-1, ZSM-48 and EU-1/ZSM-48 were identified with respect to their crystallinity, textural parameters and acidity by means of X-ray diffraction, N-2 adsorption-desorption analysis, scanning electron microscopy, temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy. The catalytic performance of different composite zeolite loaded platinum-based catalysts was studied through the hydroisomerization of hexadecane to isohexadecane as a probe reaction under various reaction conditions. The results indicated that the best performance was obtained over EU-1/ZSM-48 even though EU-1 showed the highest conversion and ZSM-48 showed the highest selectivity. The catalytic performance of EU-1/ZSM-48-200 was significantly different from that of ZSM-48-200 which possessed the same bulk SiO2/Al2O3. The catalytic performance of the EU-1/ZSM-48 intergrowth zeolite improved dramatically compared with the mechanical mixture of pure zeolites. The acidity of the intergrowth zeolite was favorable for the catalytic hydroisomerization of n-hexadecane.
Translation or Not:
no
