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Petroleum Science and Technology Volume 35, 2017 - Issue 10
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Original Articles

Product distribution and catalytic performance of nano-sized H-ZSM-5 zeolites in the methanol-to-aromatics (MTA) reaction

Lingzhi YangState Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao, Shandong, China
,
Zhiyuan LiuState Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao, Shandong, China
,
Zhi LiuState Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao, Shandong, China
,
Wenyong PengState Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao, Shandong, China
,
Yunqi LiuState Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao, Shandong, ChinaCorrespondence[email protected]
&
Chenguang LiuState Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao, Shandong, China
Pages 955-962 | Published online: 30 Aug 2017
 
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ABSTRACT

A study of the effect of SiO2/Al2O3 molar ratio on the activity and selectivity of H-ZSM-5 catalyst in the reaction of methanol to aromatics (MTA) has been carried out in this work. Aluminosilicate zeolite (ZSM-5) zeolites with different SiO2/Al2O3 molar ratios were successfully synthesized by the hydrothermal method. The SiO2/Al2O3 molar ratio of the prepared ZSM-5 zeolite particles could be easily controlled by changing the ratio of tetraethylorthosilicate to aluminum nitrate nonahydrate. The effect of SiO2/Al2O3 molar ratio on the activity of nano-sized H-ZSM-5 zeolites in the MTA reaction was studied. The H-ZSM-5 zeolite catalyst with low SiO2/Al2O3 molar ratios shows remarkable selectivity toward aromatics and benzene, toluene, and xylene (BTX) in the MTA reaction.

Funding

This work was supported by the National Natural Science Foundation of China (21676300).

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