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Kinetic models of methanol and dimethyl ether conversion to olefins over zeolite catalysts (Review)

Khadzhiev, S. N. / Magomedova, M. V. / Peresypkina, E. G.

Abstract The review summarizes various approaches to the description of the olefins synthesis kinetics from methanol/dimethyl ether for two types of zeolite catalyst, ZSM-5 and SAPO-34. It has been shown that along with phenomenological models, microkinetic models derived with taking account of the detailed reaction mechanism and quantum-chemical calculations based on the single-event concept of the reaction rate and the transition state theory are being widely used now. Both power laws and the Hougen—Watson equations are proposed to describe the rates of elementary steps.

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Kinetic models of methanol and dimethyl ether conversion to olefins over zeolite catalysts (Review)

Khadzhiev, S. N. / Magomedova, M. V. / Peresypkina, E. G.

Abstract The review summarizes various approaches to the description of the olefins synthesis kinetics from methanol/dimethyl ether for two types of zeolite catalyst, ZSM-5 and SAPO-34. It has been shown that along with phenomenological models, microkinetic models derived with taking account of the detailed reaction mechanism and quantum-chemical calculations based on the single-event concept of the reaction rate and the transition state theory are being widely used now. Both power laws and the Hougen—Watson equations are proposed to describe the rates of elementary steps.

Kinetic models of methanol and dimethyl ether conversion to olefins over zeolite catalysts (Review)

Khadzhiev, S. N. / Magomedova, M. V. / Peresypkina, E. G.

Abstract The review summarizes various approaches to the description of the olefins synthesis kinetics from methanol/dimethyl ether for two types of zeolite catalyst, ZSM-5 and SAPO-34. It has been shown that along with phenomenological models, microkinetic models derived with taking account of the detailed reaction mechanism and quantum-chemical calculations based on the single-event concept of the reaction rate and the transition state theory are being widely used now. Both power laws and the Hougen—Watson equations are proposed to describe the rates of elementary steps.

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Title:

Kinetic models of methanol and dimethyl ether conversion to olefins over zeolite catalysts (Review)

Contributors:

Khadzhiev, S. N. (author) / Magomedova, M. V. (author) / Peresypkina, E. G. (author)

Published in:

Petroleum Chemistry ; 55 ; 503-521

Publication date:

2015-09-01

Size:

19 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544115070063

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

kinetics of ethylene and propylene synthesis , simulation/modelling , methanol , dimethyl ether , MTO process , ZSM-5 and SAPO-34 zeolite catalysts Chemistry , Industrial Chemistry/Chemical Engineering

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