Process for decreasing environmental pollutants in an oil or a fat, a volatile environmental pollutants decreasing working fluid, a health supplement, and an animal feed product

  • US 20050256326A1
  • Filed: 06/08/2003
  • Published: 11/17/2005
  • Est. Priority Date: 07/11/2002
  • Status: Active Grant
First Claim
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1. A process for decreasing the amount of environmental pollutants in a mixture comprising a fat or an oil, being edible or for use in cosmetics, the fat or oil containing the environmental pollutants, characterized in that the process comprises the steps of;

  • adding a volatile working fluid to the mixture, where the volatile working fluid comprises at least one of a fatty acid ester, a fatty acid amide, a free fatty acid and a hydrocarbon, and subjecting the mixture with the added volatile working fluid to at least one stripping processing step, in which an amount of environmental pollutant present in the fat or oil, being edible or for use in cosmetics, is separated from the mixture together with the volatile working fluid.

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