Raman spectra of supported molybdena catalysts *1II. Sulfided, used, and regenerated catalysts

Autor:	Fred R. Brown, Kee H. Rhee, L. E. Makovsky
Rok vydání:	1977
Předmět:	Inorganic chemistry Sulfidation chemistry.chemical_element Chemical reaction Catalysis symbols.namesake chemistry Yield (chemistry) symbols Physical and Theoretical Chemistry Energy source Raman spectroscopy Carbon Hydrodesulfurization
Zdroj:	Journal of Catalysis. 50:385-389
ISSN:	0021-9517
DOI:	10.1016/0021-9517(77)90050-1
Popis:	Raman spectroscopy has been used to investigate the structural changes that two supported molybdenum oxide catalysts undergo upon specific chemical treatments. Molecular MoS2 structures are indicated after sulfidation by a mixture of H 2 H 2 S . Catalyst samples used in a coal hydrodesulfurization process yield spectra dominated by intense scattering from carbon deposited in the pores of the catalyst. Spectra of used catalyst samples, subjected to controlled air-firing to 600 °C, show that all of the spectral features of the unused catalyst are not recovered after this “regeneration” procedure.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::3a48ce63961ce478f6fbb5ac8ad0a0d5 https://doi.org/10.1016/0021-9517(77)90050-1 Zobrazit plný text záznamu