Process for sulfur production
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United States of America Patent
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Jun 10, 1980
Grant Date -
N/A
app pub date -
Jun 27, 1977
filing date -
Jun 27, 1977
priority date (Note) -
Expired
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Abstract
A liquid or solid hydrocarbon is partially oxidized in the presence of steam and oxygen in a high temperature reducing flame zone to which at least sulfur dioxide is added to consume generated hydrogen and carbon monoxide formed in a second flame zone to form hydrogen sulfide as necessary for a Claus reaction. Elemental sulfur is thermally formed. The gas stream is rapidly cooled to prevent further reactions, then further cooled to condense sulfur. The resultant gas stream is passed to one or more Claus conversion zones where hydrogen sulfide and sulfur dioxide react to form sulfur.
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