SULFUR EXTRACTION FROM STRAIGHT RUN GASOLINE
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United States of America Patent
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Issued Date -
Aug 13, 2009
app pub date -
Feb 11, 2008
filing date -
Feb 11, 2008
priority date (Note) -
Abandoned
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Abstract
A process for reducing the sulfur content of a gasoline fraction comprising one or more organic sulfur compounds including mercaptans, thiophenes, and mono- and di-sulfides, the process including: contacting a gasoline fraction having an initial organic sulfur content with a sulfuric acid-rich composition to extract organic sulfur compounds from the gasoline fraction and produce a gasoline fraction having reduced sulfur content and a sulfuric acid fraction having increased organic sulfur content; and separating the gasoline fraction having reduced organic sulfur content and the sulfuric acid-rich fraction having increased organic sulfur content.
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