George H Sprenger, Age 842805 8Th St, Las Vegas, NM 87701
George Sprenger Phones & Addresses
2805 8Th St, Las Vegas, NM 87701 (505) 454-0551
Sapello, NM
Work
Position:
Retired
Education
Degree:
Graduate or professional degree
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Publications & IP owners
Us Patents
Method Of Separating Petroleum-Containing Material Into Fractions, Extraction System, And Extraction Fluid Therefor
US Patent:
2001002, Oct 11, 2001
Filed:
Apr 23, 2001
Appl. No.:
09/842380
Inventors:
George Sprenger - Las Vegas NM, US
Teddy Martinez - Las Cruces NM, US
Teddy Martinez - Las Cruces NM, US
Assignee:
SM Technologies, Inc. - Las Vegas NM
International Classification:
B01F001/00
US Classification:
252/364000
Abstract:
A method of separating a petroleum-containing material into at least two fractions, an extraction system, and an extraction fluid therefor are provided. Petroleum-containing material as well as a solvent mixture comprising 50%-99% by volume sub-critical carbon dioxide and 1%-50% by volume of at least one co-solvent are introduced into an extraction column. The co-solvent can be propane, ethane, butane, propylene 2 methylpropane, 2,2 dimethylpropane, propadiene, dimethylether, chlorodifluoromethane, difluoromethane and methylfluoride. A fraction containing solvent mixture and solvated petroleum-containing material is removed from the top portion of the extraction column, while a dense fraction of the petroleum-containing material, as well as solvent mixture, is withdrawn from the bottom portion of the extraction column. Solvent mixture is recovered from the solvated petroleum-containing material.
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