Claus Catalysis and H2S Selective Oxidation

Autor:	Christophe Nedez, Jean-Claude Lavalley, Anne Pieplu, Odette Saur, Oliver Legendre
Rok vydání:	1998
Předmět:	inorganic chemicals Reaction mechanism Waste management Process Chemistry and Technology Inorganic chemistry chemistry.chemical_element General Chemistry Claus process Heterogeneous catalysis Sulfur Catalysis Refinery chemistry.chemical_compound chemistry Sulfurous acid Coal gasification
Zdroj:	Catalysis Reviews. 40:409-450
ISSN:	1520-5703 0161-4940
DOI:	10.1080/01614949808007113
Popis:	This review article deals with the development of sulfur recovery from the Claus process to H2S selective oxidation. Governments are constantly tightening regulations to limit the emission of sulfur compounds into the air. This makes it necessary to constantly enhance the level of sulfur recovery from natural, refinery, or coal gasification geses, and many improvements in the Claus process have been introduced to this end. In this review, emphasis has been put on the mechanism of reactions occurring in most of the sulfur recovery units, reactions between H2S and SO2 or O2 and side reactions such as hydrolysis of COS and CS2 or sulfation of the catalyst.
Databáze:	OpenAIRE
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