Method of filtering spent cooking oil

  • US 4,764,384 A
  • Filed: 04/03/1986
  • Issued: 08/16/1988
  • Est. Priority Date: 04/03/1986
  • Status: Expired due to Fees
First Claim
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1. The method of rejuvenating spent cooking oil containing contaminants from a cooker comprising the steps of retaining the cooking oil in the cooker, admixing with the cooking oil a filtering media comprising synthetic amorphous silica provided with moisture, synthetic amorphous magnesium silicate, and diatomaceous earth, to form a slurry of cooking oil, contaminants and filtering media, thereafter maintaining the temperature of the slurry above 100°

  • F. for a period of about five minutes to transfer a portion of the contaminants from the cooking oil to the filtering media, and thereafter draining the slurry from the cooker through a filter to remove the filtering media with contaminants from the cooking oil.

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