Tuning of product selectivity in the conversion of ethanol to hydrocarbons over H-ZSM-5 based zeolite catalysts

Phung, THANH KHOA; Radikapratama, Randy; Garbarino, Gabriella; Lagazzo, Alberto; Riani, Paola; Busca, Guido

doi:10.1016/j.fuproc.2015.03.012

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Conversion of ethanol to hydrocarbons was investigated over H-ZSM-5 zeolite and its modification by addition of phosphorus, iron and nickel. Reaction is realized in a tubular flow reactor at atmospheric pressure. Catalyst characterization was performed by UV-vis, TG-DTA, XRD, NH3-TPD, and IR spectroscopy of the surface OH groups and of adsorbed pyridine. High P content enhances the selectivity to lower olefins, in particular ethylene, as also occurs in the case of Fe addition. Over Ni-modified zeolites, C4 and aromatic production is promoted. The role of acidity on the conversion path is briefly discussed.

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Titolo:	Tuning of product selectivity in the conversion of ethanol to hydrocarbons over H-ZSM-5 based zeolite catalysts
Autori:	PHUNG, THANH KHOA Radikapratama, Randy GARBARINO, GABRIELLA LAGAZZO, ALBERTO RIANI, PAOLA BUSCA, GUIDO mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2015
Rivista:	FUEL PROCESSING TECHNOLOGY
Abstract:	Conversion of ethanol to hydrocarbons was investigated over H-ZSM-5 zeolite and its modification by addition of phosphorus, iron and nickel. Reaction is realized in a tubular flow reactor at atmospheric pressure. Catalyst characterization was performed by UV-vis, TG-DTA, XRD, NH3-TPD, and IR spectroscopy of the surface OH groups and of adsorbed pyridine. High P content enhances the selectivity to lower olefins, in particular ethylene, as also occurs in the case of Fe addition. Over Ni-modified zeolites, C4 and aromatic production is promoted. The role of acidity on the conversion path is briefly discussed.
Handle:	http://hdl.handle.net/11567/826613
Appare nelle tipologie:	01.01 - Articolo su rivista

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