title: Clean Transformation of Ethanol to Useful Chemicals. The Behavior of a Gold-Modified Silicalite Catalyst.
abstract: 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.
authors.affiliation: Dipartimento di Chimica, Università degli Studi di Milano and CNR-ISTM, via Golgi 19, Milano 20133, Italy. ermelinda.falletta@unimi.it.
authors.forename: Ermelinda
authors.initials: E
authors.lastname: Falletta
authors.affiliation: Dipartimento di Chimica, Università degli Studi di Milano and CNR-ISTM, via Golgi 19, Milano 20133, Italy. michele.rossi@unimi.it.
authors.forename: Michele
authors.initials: M
authors.lastname: Rossi
authors.affiliation: Process Research and Chemical Engineering, BASF SE, Ludwigshafen 67056, Germany. henrique.teles@basf.de.
authors.forename: Joaquim Henrique
authors.initials: JH
authors.lastname: Teles
authors.affiliation: Dipartimento di Chimica, Università degli Studi di Milano and CNR-ISTM, via Golgi 19, Milano 20133, Italy. cristina.dellapina@unimi.it.
authors.forename: Cristina
authors.initials: C
authors.lastname: Della Pina
mesh_terms: D019342:Acetic Acid / Q000737:chemistry; D002384:Catalysis; D000431:Ethanol / Q000737:chemistry*; D005030:Ethylenes / Q000737:chemistry; D005740:Gases / Q000737:chemistry; D006046:Gold / Q000737:chemistry; D010084:Oxidation-Reduction; D017640:Silicates / Q000737:chemistry; D017641:Zeolites / Q000737:chemistry
chemical_list: D005030:Ethylenes; D005740:Gases; D017640:Silicates; D017641:Zeolites; D000431:Ethanol; D006046:Gold; C036216:ethylene; D019342:Acetic Acid
keywords: acetaldehyde; acetic acid; catalysis; ethanol; gold