Liquid-Phase Esterification of Methacrylic Acid with Methanol Catalyzed by Heteropolyacid

被引：0

作者：

Witczak, Teresa ^{[1
]}

Grzesik, Miroslaw ^{[2
]}

Skrzypek, Jerzy ^{[2
]}

Witczak, Mariusz ^{[1
]}

机构：

[1] Univ Agr, Krakow, Poland

[2] Polish Acad Sci, Gliwice, Poland

来源：

INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING | 2010年 / 8卷

关键词：

esterification; kinetics; methacrylates; heteropolyacids; ACRYLIC-ACID; ACETIC-ACID; PROPIONIC-ACID; PROPANOIC ACID; KINETICS; METHYL; BUTANOL; CHEMISTRY; ESTERS;

D O I：

暂无

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The esterification kinetics of methacrylic acid with methanol in the presence of H3PW12O40 or H3MoW12O40 as a catalyst was studied with isothermal batch experimental. The catalyst concentration was varied between 14.4 and 57.7 mol/m(3). The experiences were carried out at temperatures from 316 to 333 K and initial molar ratios of the reactants from 3 to 10. The non-ideality of the liquid phase was accounted for by using activities instead of molar. The activity coefficients were determined using the UNIFAC method. The kinetic equations developed had a non-elementary form, and the order of the reaction was a fraction.

引用

页数：18

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