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ENVIRONMENTAL FRIENDLY PROCESSES OVER NANOSIZED GOLD CATALYSTS

Yuri Kalvachev

First published: 2011-06-20https://doi.org/10.5593/sgem2011/s12.105View metrics

Abstract

One-step vapor phase oxidation of aliphatic hydrocarbons over nanosized gold catalysts by using oxygen is carried out. Selective oxidation of propylene to propylene oxide, propane to acetone and isobutene to t-butanol with hydrogen- oxygen mixture in flow conditions is investigated. The reaction occurs at the interface perimeter of the support around the gold particles. The activity of these catalysts can be attributed to synergetic effects between gold and titanium. Adsorption of nitrogen oxide over the so synthesized nanosized gold catalysts is investigated by in situ FTIR spectroscopy. Different mononitrosyls and dinitrosyls adsorbed species as well as nitro- and nitro-nitrito complexes are observed. The influence of time and temperature on the stability of these species is studied.

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Publication details

Title
ENVIRONMENTAL FRIENDLY PROCESSES OVER NANOSIZED GOLD CATALYSTS
Authors
Yuri Kalvachev
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference
Publisher
Stef92 Technology
Year
2011
Pages
Not available yet
ISSN
1314-2704
ISBN
Not available yet
Language
en
Publication type
Conference Paper
Keywords
gold catalystshydrocarbon oxidati onNO adsorptiontitanosilicalitespropylene oxide
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