MECHANISM OF FEZSM-5 MILLING AND ITS EFFECT ON THE CATALYTIC PERFORMANCE IN BENZENE TO PHENOL OXIDATION

Citation
As. Kharitonov et al., MECHANISM OF FEZSM-5 MILLING AND ITS EFFECT ON THE CATALYTIC PERFORMANCE IN BENZENE TO PHENOL OXIDATION, Zeolites, 15(3), 1995, pp. 253-258
Citations number
26
Categorie Soggetti
Chemistry Physical
Journal title
ISSN journal
01442449
Volume
15
Issue
3
Year of publication
1995
Pages
253 - 258
Database
ISI
SICI code
0144-2449(1995)15:3<253:MOFMAI>2.0.ZU;2-Q
Abstract
The mechanism of milling ZSM-5 ferrisilicate analog in the centrifugal planetary mill was studied by means of adsorption, electron microscop y, and X-ray diffraction. The process of zeolite lattice destruction o beyed a first-order kinetic equation, The 40-min milling resulted in a practically complete amorphization of the material and disappearence of its catalytic activity in oxidation of benzene to phenol by dinitro gen monoxide. The reaction was shown to proceed in the intercrystallin e channel space. Amorphous phase formed upon milling was found to be c atalytically inactive.