Gas-phase hydrogen-transfer reduction of acrolein using 2-propanol over MgO/B2O3 and SiO2/AlPO4 catalysts

被引：0
|
作者：
M.A. Aramendía
V. Borau
C. Jiménez
A. Marinas
J.M. Marinas
A. Porras
F.J. Urbano
机构：
来源：
Catalysis Letters | 1998年 / 50卷
关键词：
Acrolein; Allyl Alcohol; Unsaturated Alcohol; Kissinger Equation; Unsaturated Carbonyl Compound;
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摘要：
Two MgO/B2O3 and SiO2/AlPO4 catalysts designated BM50 and PM2, respectively, were used in the gas-phase hydrogen transfer between acrolein and 2-propanol to obtain allyl alcohol and propanal. The acid-base properties and catalytic activity of the two systems were found to be rather different. Thus, the MgO/B2O3 catalyst is more selective towards allyl alcohol than is the SiO2/ AlPO4 catalyst (conversion to the alcohol was 28% with the former and 0% with the latter). This special selectivity is discussed in terms of the different ways in which acrolein can be adsorbed on the catalytic surface as revealed by temperature-programmed desorption profiles and DRIFT spectra for pre-adsorbed acrolein.
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页码：173 / 177
页数：4
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