Process of preparing improved heavy and extra heavy crude oil emulsions by use of biosurfactants in water and product thereof
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United States of America Patent
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Jun 14, 2016
Grant Date -
Jun 16, 2011
app pub date -
Dec 14, 2010
filing date -
Dec 15, 2009
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Abstract
A process allows working with viscous petroleum referred to as “heavy and extra heavy crudes” such as 20 to 6° API by adding an appropriate biosurfactant to an aqueous phase containing a biosurfactant active compound. The surfactant can be alkyl glycosides, glycerol esters and alkyl betaines. The result is the formation of a stable crude/water emulsion even with salt present therein.
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