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US 8,076,123 B2Granted
Emulsification-free degumming of oil
AssigneeOilseeds Biorefinery Corporation
InventorChih-chung Chou
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Abstract
This invention relates to an oil degumming method that is free of emulsification. This method includes the steps of treating crude oil first with immobilized phospholipase and then extracting the phospholipase-treated crude oil with pure water or an aqueous solution.
Claims25
A method for removing phosphatide from crude oil obtained from a plant or animal source, the method comprising:
- providing crude oil containing nonhydratable phosphatide,
- treating the crude oil with immobilized phospholipase, free of emulsification, to effect conversion of the nonhydratable phosphatide to hydratable phosphatide,
- mixing the treated crude oil with pure water or an aqueous solution, free of emulsification, to form a mixture having an oil phase and an aqueous phase,
- allowing separation of the oil phase and the aqueous phase, and
- collecting the oil phase.
2 more elements
Dependencies are inferred from the claim text.