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Methanol-to-gasoline (MTG) conversion over ZSM-5. A temperature programmed surface reaction study

Jayamurthy, M and Vasudevan, S (1996) Methanol-to-gasoline (MTG) conversion over ZSM-5. A temperature programmed surface reaction study. In: Catalysis Letters, 36 (1-2). pp. 111-114.

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Abstract

The conversion of methanol to gasoline over zeolite ZSM-5 has been studied by temperature programmed surface reaction (TPSR). The technique is able to monitor the two steps in the process: the dehydration of methanol to dimethyl ether and the subsequent conversion of dimethyl ether to hydrocarbons. The activation barriers associated with each step were evaluated from the TPSR profiles and are 25.7 and 46.5 kcal/mol respectively. The methanol desorption profile shows considerable change with the amount of methanol molecules adsorbed per Bronsted site of the zeolite. The energy associated with the desorption process, (CH3OHH+-ZSM5 --> (CH3OHH+-ZSM5 + CH3OH, shows a spectrum of values depending on n.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Keywords: temperature programmed surface reaction;methanol to gasoline;ZSM-5
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 03 May 2011 06:38
Last Modified: 03 May 2011 06:38
URI: http://eprints.iisc.ernet.in/id/eprint/37362

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