COMPOSITION FOR EXTRACTING CRUDE OIL FROM TAR SANDS
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United States of America Patent
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Issued Date -
May 15, 2008
app pub date -
Nov 7, 2007
filing date -
Nov 10, 2006
priority date (Note) -
Abandoned
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Abstract
Process and apparatus for the continuous separation of crude oil from tar sands include using a hydrocarbon diluent and an aqueous solution in one or more settling vessels. The light components from the oil are collected and recycled to be used as the hydrocarbon diluent, and the aqueous solution is collected and recycled. A second aqueous solution is introduced in the second and subsequent vessels to prevent the formation of an oil film on the equipment.
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