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 ORCID: https://orcid.org/0000-0003-4640-541X, Carley, Albert Frederick, Taylor, Stuart H. ORCID: https://orcid.org/0000-0002-1933-4874, Khalid, Kharim and Hutchings, Graham John ORCID: https://orcid.org/0000-0001-8885-1560 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:	14 Nov 2024 08:53
URI:	https://orca.cardiff.ac.uk/id/eprint/38894

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