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Effect of antimony doping on the catalytic behavior of Mo–V–Te–P mixed oxide catalysts in oxidation of isobutane

Paper ID Volume ID Publish Year Pages File Format Full-Text
53090 46907 2007 5 PDF Available
Title
Effect of antimony doping on the catalytic behavior of Mo–V–Te–P mixed oxide catalysts in oxidation of isobutane
Abstract

Small amount of antimony addition to a Mo–V–Te–P mixed oxide catalyst strongly affects its catalytic behavior. The antimony which probably enters into the lattice of TeMO (M = Mo, V and P) promotes the oxidative dehydrogenation and selective oxidation of isobutane to isobutylene and methacrolein, and suppresses the further oxidation of methacrolein to methacrylic acid and COx, leading the selectivity to methacrolein to a maximum at Sb/Mo atomic ratio = 0.15. However, further increasing Sb content will decrease isobutane conversion and methacrolein selectivity.

Keywords
Isobutane; Selective oxidative; Methacrolein, Methacrylic acid
First Page Preview
Effect of antimony doping on the catalytic behavior of Mo–V–Te–P mixed oxide catalysts in oxidation of isobutane
Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 8, August 2007, Pages 1219–1223
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis