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Molecules 2016, 21(3), 379;

Clean Transformation of Ethanol to Useful Chemicals. The Behavior of a Gold-Modified Silicalite Catalyst

Dipartimento di Chimica, Università degli Studi di Milano and CNR-ISTM, via Golgi 19, Milano 20133, Italy
Process Research and Chemical Engineering, BASF SE, Ludwigshafen 67056, Germany
Author to whom correspondence should be addressed.
Academic Editor: Sonia A. C. Carabineiro
Received: 8 February 2016 / Revised: 14 March 2016 / Accepted: 16 March 2016 / Published: 19 March 2016
(This article belongs to the Special Issue Coinage Metal (Copper, Silver, and Gold) Catalysis)
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Upon addition of gold to silicalite-1 pellets (a MFI-type zeolite), the vapor phase oxidation of ethanol could be addressed to acetaldehyde or acetic acid formation. By optimizing the catalyst composition and reaction conditions, the conversion of ethanol could be tuned to acetaldehyde with 97% selectivity at 71% conversion or to acetic acid with 78% selectivity at total conversion. Considering that unloaded silicalite-1 was found to catalyze the dehydration of ethanol to diethylether or ethene, a green approach for the integrated production of four important chemicals is herein presented. This is based on renewable ethanol as a reagent and a modular catalytic process. View Full-Text
Keywords: catalysis; gold; ethanol; acetaldehyde; acetic acid catalysis; gold; ethanol; acetaldehyde; acetic acid

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Falletta, E.; Rossi, M.; Teles, J.H.; Della Pina, C. Clean Transformation of Ethanol to Useful Chemicals. The Behavior of a Gold-Modified Silicalite Catalyst. Molecules 2016, 21, 379.

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