Effect of conversion of NO2 into no on the catalytic reduction of NO2 with C3H6 in excess O2 |
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| Authors: | Gratian R Bamwenda Akira Obuchi Atsushi Ogata Junko Oi Satoshi Kushiyama and Koichi Mizuno |
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| Institution: | (1) National Institute for Resources and Environment, 16-3 Onogawa, 305 Tsukuba, Ibaraki, Japan |
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| Abstract: | During the reduction of NO2 by C3H6 in O2 over alumina-supported Au, Rh and Pt it was found that three parallel reactions take place,i.e., reduction of NO2 to N2 and N2O, partial decomposition of NO2 to NO and oxidation of C3H6 to CO and CO2. In the absence of C3H6, the NO2→NO+O2 reaction reaches a fast equilibrium on Rh and Pt but not on Au and γ-Al2O3. Addition of C3H6 to the NO2+O2 mixture leads to the formation of NO above equilibrium conversion levels. |
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| Keywords: | NO2 reduction by propylene gold rhodium platinum alumina |
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