Title :
Silicon nitride supported platinum catalysts for the total oxidation of methane
Author :
Kurzina, I.A. ; Aires, F. J Cadete Santos ; Bertolini, J.C.
Author_Institution :
Tomsk State Univ. of Civil Eng., Russia
fDate :
26 June-3 July 2004
Abstract :
The total oxidation of methane has been studied over Pt (0.12 wt%-0.9 wt%) catalysts supported on Ot-Si3N4. The catalysts were characterised by chemical analysis, X-ray photoelectron spectroscopy and transmission electron microscopy. The correlation between the expected and real Pt content of the catalysts was established. It has been found that the catalytic activity of Pt catalysts depends strongly on the mean particle size. The decrease of activity of the platinum catalysts due to the sintering of metallic particles was observed under the reaction conditions.
Keywords :
X-ray photoelectron spectra; catalysis; catalysts; chemical analysis; organic compounds; oxidation; particle size; platinum; powders; silicon compounds; sintering; transmission electron microscopy; α-Si3N4; Pt; Pt content; Si3N4; X-ray photoelectron spectroscopy; chemical analysis; mean particle size; metallic particles; methane; oxidation; reaction conditions; silicon nitride supported platinum catalysts; sintering; transmission electron microscopy; Civil engineering; Conducting materials; Copper; Inorganic materials; Oxidation; Platinum; Silicon; Skeleton; Temperature; Thermal conductivity;
Conference_Titel :
Science and Technology, 2004. KORUS 2004. Proceedings. The 8th Russian-Korean International Symposium on
Print_ISBN :
0-7803-8383-4
DOI :
10.1109/KORUS.2004.1555537
