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Hydrogen-induced CO2 formation from ethylene deposits on Pt during consecutive O2 and H2 exposures.
- Source :
- Catalysis Letters; Mar2000, Vol. 65 Issue 1-3, p25-31, 7p
- Publication Year :
- 2000
-
Abstract
- The oxidation of C<subscript>2</subscript>H<subscript>4</subscript> deposits on polycrystalline Pt when exposed to consecutive O<subscript>2</subscript> and H<subscript>2</subscript> pulses at room temperature has been investigated in a long ( L = 36 mm), shallow ( d = 600–700 nm) micromachined glass–SiO<subscript>2</subscript>–Pt channel. Hydrogen-induced CO<subscript>2</subscript> formation from species accumulated on the Pt surface was observed. Frequent switching of the O<subscript>2</subscript>/H<subscript>2</subscript> 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. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 1011372X
- Volume :
- 65
- Issue :
- 1-3
- Database :
- Complementary Index
- Journal :
- Catalysis Letters
- Publication Type :
- Academic Journal
- Accession number :
- 49879062
- Full Text :
- https://doi.org/10.1023/A:1019025523442