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Study of operating variables in the transformation of aqueous ethanol into hydrocarbons on an HZSM‐5 zeolite
Author(s) -
Aguayo Andres T,
Gayubo Ana G,
Tarrío Ana M,
Atutxa Alaitz,
Bilbao Javier
Publication year - 2002
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.540
Subject(s) - zeolite , coke , isothermal process , catalysis , aqueous solution , chemistry , product distribution , chemical engineering , yield (engineering) , ethanol , space velocity , molecular sieve , organic chemistry , materials science , selectivity , metallurgy , thermodynamics , physics , engineering
Abstract With the aim of determining the possibilities of directly upgrading the liquid obtained from carbohydrate fermentation, the effect of operating conditions (temperature, space time, water content in the feed) has been studied in the catalytic transformation of aqueous ethanol into hydrocarbons on an HZSM‐5 zeolite in an isothermal fixed bed reactor. Special attention has been paid to the effect of water content on the yield, product distribution and catalyst deactivation. Although deactivation by coke decreases as the water content is increased, this content must be limited at 450 °C and higher temperatures in order to avoid irreversible deactivation of the catalyst by dealumination. © 2002 Society of Chemical Industry