期刊
SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY
卷 46, 期 5, 页码 665-671出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15533174.2014.988825
关键词
structure directing agents; catalyst; ZSM-5; methanol-to-propylene
资金
- Petrochemical Research and Technology Company of the National Petrochemical Company
The effects of different templates on HZSM-5 catalyst morphology and activity in the conversion of methanol to propylene (MTP) were investigated. High silica HZSM-5 catalysts (Si/Al = 200) were synthesized successfully using Ludox as silica source and different structure directing agents (SDAs). XRD, SEM, FT-IR, NH3-TPD, and N-2 adsorption-desorption analytical techniques characterized the catalysts. Morpholine shaped nano plate-like morphology. TPAOH as template resulted in the high BET surface area (369.4m(2)/g) and crystallinity. The HZSM-5 catalysts showed significant catalytic activity. The catalyst with TPABr as template represented the highest propylene selectivity (45%), methanol conversion (99.8%), and long lifetime (72h).
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