论文类型：
期刊论文
第一作者：
Zhang, Miao
通讯作者：
Liang, CH (reprint author), Dalian Univ Technol, Lab Adv Mat & Catalyt Engn, Dalian 116024, Peoples R China.
合写作者：
Li, Chuang,Chen, Yujing,Tsang, Chi-Wing,Zhang, Qiumin,Liang, Changhai
发表时间：
2016-01-01
发表刊物：
CATALYSIS SCIENCE & TECHNOLOGY
收录刊物：
EI、SCIE
文献类型：
J
卷号：
6
期号：
22
页面范围：
8016-8023
ISSN号：
2044-4753
摘要：
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.
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