Process and apparatus for upgrading steam cracked tar
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United States of America Patent
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Nov 23, 2010
Grant Date -
Aug 6, 2009
app pub date -
Jan 31, 2008
filing date -
Jan 31, 2008
priority date (Note) -
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Abstract
A process and apparatus are provided for upgrading steam cracked tars. The invention also relates to a steam cracking process and apparatus for reducing the yields of tars produced from steam cracking while increasing yields of higher value products, heating cooled steam cracker tar containing asphaltenes, to a temperature, e.g., above about 300° C., which is sufficient to convert at least a portion of the steam cracked tar to lower boiling molecules. The resulting heat-treated tar can be separated into gas oil, fuel oil and tar streams.
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