Effect of Acidity and Pore Characteristics of Fe/ZSM-5 Catalyst on Direct Transformation from Syngas to Aromatics

WEN Cheng-yan; WANG Chen-guang; LIU Qi-ying; CHEN Lun-gang; MA Long-long; Lü Wei

doi:10.3969/j.issn.2095-560X.2018.03.009

Advances in New and Renewable Energy >

2018 , Vol. 6 >Issue 3: 222 - 228

DOI: https://doi.org/10.3969/j.issn.2095-560X.2018.03.009

Effect of Acidity and Pore Characteristics of Fe/ZSM-5 Catalyst on Direct Transformation from Syngas to Aromatics

WEN Cheng-yan ,
WANG Chen-guang ,
LIU Qi-ying ,
CHEN Lun-gang ,
MA Long-long ,
Lü Wei

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1. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
2. CAS Key Laboratory of Renewable Energy, Guangzhou 510640, China;
3. Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China;
4. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2018-02-24

Revised date: 2018-04-18

Online published: 2018-06-29

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Abstract

A hierarchical ZSM-5 supported iron-based bifunctional catalyst was prepared by incipient wetness impregnation method, and applied to the aromatics production from syngas directly via Fischer-Tropsch. The hierarchical ZSM-5 zeolite of different silica alumina ratio and mesoporosity was prepared by adding silane. The physical-chemical properties of the catalysts were characterized by XRD, XRF, BET and HN₃-TPD. Results indicated that zeolite with relative high acid amount was beneficial to the selection of aromatics in oil phase. When the silica-alumina ratio of zeolite was 40, the selectivity of aromatics in the oil reached 66.9%. In addition, the mesoporous volume of the zeolite can be adjusted by controlling the adding amount of 3-aminopropyltrimethoxysilane (3-APTMS), which may greatly increase the aromatics yield in the hydrocarbon.

Key words： hierarchical zeolite; Fischer-Tropsch; aromatics; bifunctional catalyst

Cite this article

WEN Cheng-yan , WANG Chen-guang , LIU Qi-ying , CHEN Lun-gang , MA Long-long , Lü Wei . Effect of Acidity and Pore Characteristics of Fe/ZSM-5 Catalyst on Direct Transformation from Syngas to Aromatics[J]. Advances in New and Renewable Energy, 2018 , 6(3) : 222 -228 . DOI: 10.3969/j.issn.2095-560X.2018.03.009

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