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Study of properties of SbTeMoO catalysts in oxidizing isobutylene

Authors
Journal
Petroleum Chemistry U S S R
0031-6458
Publisher
Elsevier
Publication Date
Volume
11
Issue
3
Identifiers
DOI: 10.1016/0031-6458(71)90023-2
Disciplines
  • Chemistry

Abstract

Abstract 1. 1. A study was made by a continuous-circulatory method of the properties of SbTeMoO catalysts in oxidation of isobutylene to methacrolein. 2. 2. X-ray studies of the phase composition and the dependence of catalytic properties of catalysts on Mo content indicate that the addition to an initial SbTeO catalyst of Mo oxide produces a chemical compound (or compounds) of Mo, Sb and Te oxides. The formation of a chemical compound (or compounds) and an increase in concentration considerably increases the specific catalytic activity of the initial catalyst. Catalysts with optimum properties with an atomic ratio of Sb : Te=4 : 1 should contain Mo in a proportion of up to 60 at·%. 3. 3. The order of formation of products of oxidation of isobutylene and the activation energies of these reactions were determine both with individual oxides and catalysts mixed with SbTeO and SbTeO with the addition of 60 at·% Mo.

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