Effect of phosphorus on the activity of nickel-molybdenum/alumina coal-liquid upgrading catalysts

Autor:	Nand K. Narain, Richard E. Tischer, D.L. Cillo, Gary J. Stiegel
Rok vydání:	1987
Předmět:	business.industry General Chemical Engineering Phosphorus Inorganic chemistry chemistry.chemical_element General Chemistry Fluid catalytic cracking Industrial and Manufacturing Engineering Catalysis Autoclave chemistry.chemical_compound Nickel chemistry Molybdenum Coal business Phosphorus pentoxide
Zdroj:	Industrial & Engineering Chemistry Research. 26:422-426
ISSN:	1520-5045 0888-5885
DOI:	10.1021/ie00063a004
Popis:	The catalysts contained 3 wt % NiO and 19.8 wt % MoO/sub 3/. They were tested in a 50/50 mixture of coal-liquid residuum and process-derived solvent at 390/sup 0/C and 2000 psig in a batch autoclave test. The addition of phosphorus has a significant effect on the ability of the catalyst to convert heavy coal liquids into products soluble in cyclohexane. The initial addition of phosphorus pentoxide causes an increase in this conversion, while addition of amounts in excess of 8 wt % reverses the trend and causes the activity to decline to values less than the activity of the phosphorus-free catalyst.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::cf76bc61f1226794e6d4f4076f46a141 https://doi.org/10.1021/ie00063a004 Zobrazit plný text záznamu