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

被引：4
作者：
Falletta, Ermelinda [1 ,2 ]
Rossi, Michele [1 ,2 ]
Teles, Joaquim Henrique [3 ]
Della Pina, Cristina [1 ,2 ]
机构：
[1] Univ Milan, Dipartimento Chim, Via Golgi 19, I-20133 Milan, Italy
[2] CNR, ISTM, Via Golgi 19, I-20133 Milan, Italy
[3] BASF SE, Proc Res & Chem Engn, D-67056 Ludwigshafen, Germany
来源：
MOLECULES | 2016年 / 21卷 / 03期
关键词：
catalysis; gold; ethanol; acetaldehyde; acetic acid; GAS-PHASE OXIDATION; SELECTIVE OXIDATION; ACETIC-ACID; AEROBIC OXIDATION; MOLECULAR-OXYGEN; BENZYL ALCOHOL; COPPER; BENZALDEHYDE; EFFICIENT;
D O I：
10.3390/molecules21030379
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
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.
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页数：12
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