Activated carbons from mixtures of coal pitch and FeCl3graphite intercalated compounds

Autor:	J.F. Marêché, E. Alain, J.P. Boudou, T. Siemieniewska, A. Albiniak, G.Djéga Mariadassou, Guy Furdin, Dominique Begin
Rok vydání:	1996
Předmět:	Carbonization Hydrogen sulfide Inorganic chemistry Oxide General Chemistry Microporous material Condensed Matter Physics chemistry.chemical_compound Adsorption chemistry Catalytic oxidation Chemisorption General Materials Science Char
Zdroj:	Journal of Physics and Chemistry of Solids. 57:753-759
ISSN:	0022-3697
DOI:	10.1016/0022-3697(96)00344-7
Popis:	Processing of granular and powdered activated carbons was performed by carbonization of coal pitch (precursor) loaded with natural polycrystalline graphite particles initially intercalated by iron (III) chloride (chemical activator). The resulting char was steam activated at high temperature. Interactions of hydrogen sulfide and molecular oxygen with the microporous material were studied by means of isothermal adsorption on the pulverized carbon and by temperature-programmed desorption. The results suggest that chemisorption and catalytic oxidation of hydrogen sulfide occur on basic sites resulting from the chemisorption of molecular oxygen on to the iron (II, III) oxide and on the carbon surface.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7f787cb85bd6f1aa901926ce42439d03 https://doi.org/10.1016/0022-3697(96)00344-7 Zobrazit plný text záznamu Full Text from ScienceDirect