期刊
CATALYSIS COMMUNICATIONS
卷 10, 期 12, 页码 1582-1585出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2009.04.021
关键词
Nano ZSM-5; Catalyst size; Methanol to propylene; MTP; Hydrothermal
资金
- Deputy of Research of Sharif University of Technology
- National Petrochemical Company
The effect of particle size on the catalytic activity of H-ZSM-5 zeolite in the methanol to propylene (MTP) reaction was investigated in a fixed-bed flow reactor under the operating conditions of T = 460 degrees C, P = 1 atm, and WHSV = 1 h(-1). Nano and micro size H-ZSM-5 were prepared by reflux and hydrothermal crystallization methods, respectively. The nano and micro H-ZSM-5 were characterized using XRD, NH3-TPD, BET area, SEM and ICP-AES analytical techniques. Nano size H-ZSM-5 showed higher activity and stability compared to the micro size H-ZSM-5. Nano H-ZSM-5 was also found to have higher selectivity to propylene than the micro size H-ZSM-5. (C) 2009 Elsevier B.V. All rights reserved.
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