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Type: Artigo de periódico
Title: Hydrogenation of dimethyl adipate over bimetallic catalysts
Author: Santos, SM
Silva, AM
Jordao, E
Fraga, MA
Abstract: The hydrogenation of dimethyl adipate at moderate conditions (5 MPa and 255 degreesC) was studied aiming at screening the performance of noble metals and some additives on 1,6-hexanediol selective production. Ruthenium was found to be the most active metal and selectively cleavage the O-CH3 bond in the ester group giving the adipic acid monomethyl ester. A drop in activity was found by introducing any additive. Co, Zn and Sn were the only elements on which some selectivity towards 1,6-hexanediol was found. Production of hexanediol was significant over RuSn/Al2O3 catalyst (49% selectivity). This finding is motivating considering the operating conditions used, especially the low hydrogen pressure. (C) 2004 Elsevier B.V. All rights reserved.
Subject: catalytic hydrogenation
dicarboxylic ester
ruthenium catalysts
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.catcom.2004.05.002
Date Issue: 2004
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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