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An FT-IR study of the adsorption and reactivity of tert-butyl hydroperoxide over oxide catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
42266 45918 2009 9 PDF Available
Title
An FT-IR study of the adsorption and reactivity of tert-butyl hydroperoxide over oxide catalysts
Abstract

The adsorption of tert-butyl hydroperoxide over zirconia, alumina, vanadia–zirconia and vanadia–alumina catalysts from gas phase has been investigated by FT-IR spectroscopy. The formation of surface tert-butylperoxide species has been observed. These species give rise to different kinds of transformation, producing surface tert-butoxide, formate, acetate and acetone species, to which correspond gas-phase acetone, methanol, isobutene, water and (probably) oxygen. Surface vanadyl species are involved in this chemistry and enhance the rate of these reactions.

Graphical abstractThe adsorption of tert-butyl hydroperoxide over zirconia, alumina, vanadia–zirconia and vanadia–alumina catalysts from gas phase has been investigated by FT-IR spectroscopy. The formation of surface tert-butylperoxide species has been observed. These species give rise to different kinds of transformation, producing surface tert-butoxide, formate, acetate and acetone species, to which correspond gas-phase acetone, methanol, isobutene, water and (probably) oxygen. Surface vanadyl species are involved in this chemistry and enhance the rate of these reactions.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Hydroperoxide, tert-butyl; Tert-butyl-hydroperoxide; Peroxide catalytic oxidation; Vanadia–alumina; Vanadia–zirconia; Alumina; Zirconia; Activation of tert-butyl-hydroperoxide; Oxidation; FT-IR spectroscopy; Infrared spectroscopy
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An FT-IR study of the adsorption and reactivity of tert-butyl hydroperoxide over oxide catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 369, Issues 1–2, 15 November 2009, Pages 27–35
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Price after discount Only $4.95
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