Enhanced selectivity to propene in the methanol to hydrocarbons reaction by use of ZSM-5/11 intergrowth zeolite

Conte, Marco, Xu, Bin, Davies, Thomas Edward, Bartley, Jonathan Keith, Carley, Albert Frederick, Taylor, Stuart Hamilton, Khalid, Kharim and Hutchings, Graham John 2012. Enhanced selectivity to propene in the methanol to hydrocarbons reaction by use of ZSM-5/11 intergrowth zeolite. Microporous and Mesoporous Materials 164 , pp. 207-213. 10.1016/j.micromeso.2012.05.001

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Abstract

Composite co-crystalline zeolites ZSM-5/11 were synthesised and tested in the methanol to hydrocarbons reaction. The composite materials consist of crystals with intergrowth between the MFI framework typical of zeolite ZSM-5 and the MEL framework of zeolite ZSM-11 and displayed selectivities to propene of up to 50%, and a relative increase over ZSM-5 of ca. 80% under the same reaction conditions. Comparison with the activity of commercial ZSM-5 permits the construction of a model that correlates the structure of these materials to the final selectivity. It is proposed that the enhanced selectivity is due to changes in the MFI/MEL contribution to the final structure.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Subjects:	Q Science > QD Chemistry
Uncontrolled Keywords:	Methanol to hydrocarbons; Zeolites ZSM-5 ZSM-5/11; Propene selectivity; XRPD
Publisher:	Elsevier
ISSN:	1387-1811
Last Modified:	04 Jun 2017 04:26
URI:	http://orca-mwe.cf.ac.uk/id/eprint/38894

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