EFFECT OF MODIFICATION OF ZEOLITE CATALYSTS ON THEIR ACIDITY AND CATALYTIC ACTIVITY IN THE VAPOR-PHASE ALKYLATION OF PHENOL BY METHANOL

Authors
PONOMARENKO IY KOVAL LM
Citation
Iy. Ponomarenko et Lm. Koval, EFFECT OF MODIFICATION OF ZEOLITE CATALYSTS ON THEIR ACIDITY AND CATALYTIC ACTIVITY IN THE VAPOR-PHASE ALKYLATION OF PHENOL BY METHANOL, Journal of applied chemistry of the USSR, 65(10), 1992, pp. 1888-1892
Citations number
3
Categorie Soggetti
Chemistry Applied
Journal title
Journal of applied chemistry of the USSR → ACNP
ISSN journal
0021888X
Volume
65
Issue
10
Year of publication
1992
Part
2
Pages
1888 - 1892
Database
ISI
SICI code
0021-888X(1992)65:10<1888:EOMOZC>2.0.ZU;2-F
Abstract
A study has been made of a series of zeolite catalysts modified with l anthanum and magnesium oxides, the additives being introduced into the zeolite by different methods. It has been established that the most a ctive catalysts are those modified by ion exchange. It is concluded th at the alkylation of phenol by methanol proceeds mainly inside the zeo lite pores and involves at least two types of acid centers.