REACTION CONDITIONS EVALUATION OF HETEROGENEOUS CATALYSED ALDOL CONDENSATION OF FURFURAL WITH ACETONE

被引：0

作者：

Kocik, J. ^{[1
]}

Horacek, J. ^{[1
]}

Velvarska, R. ^{[1
]}

Kadlec, D. ^{[1
]}

Kolena, J. ^{[1
]}

Lederer, J. ^{[1
]}

机构：

[1] Unipetrol Ctr Res & Educ Inc, Areal Chempk 2838, Litvinov Zoluzi 43670 1, Czech Republic

来源：

PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON CHEMICAL TECHNOLOGY (ICCT) | 2017年

关键词：

MG-AL HYDROTALCITES; LAYERED DOUBLE HYDROXIDE; PHYSICOCHEMICAL PROPERTIES; MIXED OXIDES; TRANSESTERIFICATION; REHYDRATION; METHANOL;

D O I：

暂无

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Basic Mg-Al hydrotalcite, prepared by co-precipitation method, was calcined at 450 degrees C to form mixed oxides which were subsequently rehydrated to restore hydrotalcite structures with Bronsted active sites. The catalyst with these active sites was then studied in aldol condensation of acetone and furfural as a model reaction, in wide range of acetone to furfural molar ratio (2:1 10:1). Furfural conversion of 98 % was reached in 20 minutes of reaction time over rehydrated hydrotalcite, using a molar ratio of acetone to furfural 10:1. Catalyst characterization was performed by a combination of conventional analytical techniques, such as TGA-MS, XRD, N-2 physisorption and DRIFT, the activity dependencies on the structural and chemical properties being discussed, based on the data obtained.

引用

页码：389 / 394

页数：6

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