Effect of Particle Morphology for ZSM-5 Zeolite on the Catalytic Conversion of Methanol to Gasoline-Range Hydrocarbons

被引：24

作者：

Fu, Tingjun ^{[1
]}

Zhou, Hao ^{[1
]}

Li, Zhong ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Minist Educ & Shanxi Prov, Taiyuan 030024, Peoples R China

来源：

CATALYSIS LETTERS | 2016年 / 146卷 / 10期

关键词：

ZSM-5; Particle; Morphology effect; Methanol-to-gasoline; ACID SITES; COKE FORMATION; H-ZSM-5; STRENGTH; MFI; DEACTIVATION; CRYSTALS; UNIFORM; ACCESSIBILITY; PERFORMANCE;

D O I：

10.1007/s10562-016-1841-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

ZSM-5 zeolite composed of nano-sphere or nano-rod crystallites were prepared to compare with micron-sized ZSM-5. These samples have different morphologies but similar acid properties, which could diminish the effect of acid properties to study the morphology effect of ZSM-5 particles on MTG reaction. It was found that nano-sphere crystallite aggregate ZSM-5 presented larger external surface and mesopore volume than micron-sized ZSM-5 and nano-rod crystallites aggregate ZSM-5, increasing both acid sites accessibility and diffusion properties. Add that into the consideration with the weak acidity, nano-sphere crystallite aggregated ZSM-5 exhibited high liquid hydrocarbon yield, slow deactivation process and high selectivity to aromatics and iso-paraffins. [GRAPHICS] .

引用

页码：1973 / 1983

页数：11

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