期刊
CATALYSIS TODAY
卷 66, 期 2-4, 页码 175-181出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0920-5861(00)00646-5
关键词
esterification; kinetics; structured catalyst; monolith; reactive stripping
In this research the liquid phase esterification of hexanoic acid and I-octanol was studied. Very high activities were obtained for zeolite BEA and Nafion/silica composite with 13% of Nafion. The advantage of water removal in this system was demonstrated. In a closed system an equilibrium conversion of 35% was reached, while in a system with water removal all the reactants were converted in a shorter period. The initial reaction rate decreases when increasing the initial water concentration, following a Langmuir-Hinshelwood type of rate expression. An active zeolite coated structured monolithic reactor configuration was prepared. Enhancement by the counter-current water stripping of the performance of the structured catalysts was demonstrated. (C) 2001 Elsevier Science B.V. All rights reserved.
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