Process for desulfurization of petroleum feeds utilizing sodium metal
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United States of America Patent
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Apr 3, 2001
Grant Date -
N/A
app pub date -
May 28, 1997
filing date -
Jun 4, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Sulfur-containing petroleum feeds are desulfurized by contacting the feeds with staged addition of sodium metal at temperatures of at least about 250.degree. C. in the presence of excess hydrogen to sodium metal. The formation of Na.sub.2 S is substantially suppressed and the formation of NaSH is promoted in the desulfurization process.
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