Kinetics of the alkylation of phenol with methanol over catalysts derived from hydrotalcite-like anionic clays

被引：11

作者：

Velu, S ^{[1
]}

Swamy, CS ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Madras 600036, Tamil Nadu, India

来源：

REACTION KINETICS AND CATALYSIS LETTERS | 1997年 / 62卷 / 02期

关键词：

alkylation; hydrotalcite; kinetics;

D O I：

10.1007/BF02475473

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Vapor phase alkylation of phenol with methanol was carried out over catalysts derived from a series of hydrotalcite (HT)-like compounds of the form M(II)Al-HT; where M(II)= Mg, Mn, Co, Ni, Cu and Zn with M(II)/Al atomic ratios of2-5, The kinetic parameters such as rate constant (k), apparent activation energy (E-a) and Arrhenius frequency factor (A(o)) for the disappearance of phenol were evaluated employing a power law equation assuming pseudo-first order kinetics. The kinetic parameters were found to be in good agreement with phenol conversion. The existence of the compensation effect between E-a and In A(o) was tested.

引用

页码：339 / 346

页数：8

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