Chemicals from ethanol-The acetone one-pot synthesis

被引：52
|
作者：
Rodrigues, Clarissa P. [1 ]
Zonetti, Priscila C. [1 ]
Silva, Camila G. [1 ]
Gaspar, Alexandre B. [1 ]
Appel, Lucia G. [1 ]
机构：
[1] Inst Nacl Tecnol, Div Catalise & Proc Quim, BR-21081312 Rio De Janeiro, RJ, Brazil
来源：
APPLIED CATALYSIS A-GENERAL | 2013年 / 458卷
关键词：
Acetone; Ethanol; Zirconia; Ketonization; IN-SITU DRIFT; ACETALDEHYDE ADSORPTION; OXIDE CATALYST; ACETIC-ACID; CONVERSION; ZIRCONIA; METHANOL; KETONIZATION; CHEMISTRY;
D O I：
10.1016/j.apcata.2013.03.028
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ethanol is a platform molecule that can generate many different products employing one-pot processes and multifunctional catalysts. The synthesis of acetone from ethanol is a good example of these processes. Some authors studied the generation of acetone from ethanol and proposed mechanisms which are not fully in agreement. This work using catalyst physical mixtures and IR spectroscopy (DRIFTS) is consistent with the generation of acetone from ethanol by ketonization of carboxylates which are obtained by dehydrogenation of this alcohol followed by oxidation. These results confirm that physical mixtures of catalysts can be a valuable tool in order to study the mechanism of multi-step reactions. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：111 / 118
页数：8
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