期刊
REACTION KINETICS AND CATALYSIS LETTERS
卷 69, 期 1, 页码 169-176出版社
ELSEVIER SCIENCE BV
DOI: 10.1023/A:1005625800341
关键词
Al3+-exchanged pillared clay catalyst; 2-methoxyethanol; esterification; kinetics
The pillared clay catalyst, which was obtained by exposing activated clay powder to sulfuric acid and aluminium salts and calcining in air at 373 - 673 K, was found to be highly active for the title reaction. The activity is mainly attributed to the Lewis acid sites and also to a small number of Bronsted acid sites, whose number and strength increases with the extent of pillaring. The kinetic equation of surface esterification is y = 2.57x - 1.47.
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