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Hydrogen-induced CO2 formation from ethylene deposits on Pt during consecutive O-2 and H-2 exposures
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
2000 (English)In: Catalysis Letters, ISSN 1011-372X, E-ISSN 1572-879X, Vol. 65, no 1-3, 25-31 p.Article in journal (Refereed) Published
Abstract [en]

The oxidation of C2H4 deposits on polycrystalline Pt when exposed to consecutive O-2 and H-2 pulses at room temperature has been investigated in a long (L=36 mm), shallow (d=600-700 nm) micromachined glass-SiO2-Pt channel. Hydrogen-induced CO2 formation from species accumulated on the Pt surface was observed. Frequent switching of the O-2/H-2 exposure pulses was found to increase the efficiency of the oxidation of the carbonaceous deposits markedly. The observations may be of general interest for the regeneration of contaminated catalysts.

Place, publisher, year, edition, pages
2000. Vol. 65, no 1-3, 25-31 p.
Keyword [en]
catalysis, carbonaceous contaminants, regeneration of catalyst, ethylene, carbon monoxide, carbon dioxide, platinum, hydrogen, oxygen
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-49823OAI: oai:DiVA.org:liu-49823DiVA: diva2:270719
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12

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Lundström, IngemarEkedahl, Lars-Gunnar

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