Olefin Synthesis from Dimethyl Ether in the Presence of a Hydrothermally Treated Mg-HZSM-5/Al2O3 Catalyst: Effect of Reaction Conditions on the Product Composition and Ratio

被引：7
作者：
Magomedova, M. V. [1 ]
Peresypkina, E. G. [1 ]
Davydov, I. A. [1 ]
Khadzhiev, S. N. [1 ]
机构：
[1] Russian Acad Sci, Topchiev Inst Petrochem Synth, Moscow, Russia
来源：
PETROLEUM CHEMISTRY | 2017年 / 57卷 / 12期
基金：
俄罗斯科学基金会;
关键词：
olefin synthesis; dimethyl ether; HZSM-5; zeolite; chemistry; kinetics; HZSM-5 ZEOLITE CATALYST; METHYLATION REACTIONS; HYDRIDE TRANSFER; ZSM-5; CATALYST; METHANOL; CONVERSION; HYDROCARBONS; KINETICS; MECHANISM; TRANSFORMATION;
D O I：
10.1134/S0965544117100115
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Systematic studies of olefin synthesis from dimethyl ether (DME) in the presence of a hydrothermally treated HZSM-5 zeolite catalyst modified with magnesium have been conducted. Dependences of DME conversion, product yield and selectivity, and lower olefin ratio on space time in the temperature range of 320-360A degrees C have been analyzed. The type of the resulting products has been determined, and assumptions about the reaction chemistry have been made to reveal the role of methylation and hydrogen-transfer reactions in the products formation.
引用
收藏
页码：1043 / 1051
页数：9
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