Method of making a composite filter material and its use in trea

Details Method of making a composite filter material and its use in trea Method of making a composite filter material and its use in trea

1989-07-07

1991-12-31

Czaja, Donald E.

Food or edible material: processes, compositions, and products

Processes

Preparing or treating triglyceridic fat or oil, or processes...

210503, 426271, 426285, 426423, A23D 902

Patent

active

050770705

ABSTRACT:
A substantially dry filtering media for rejuvenating glyceride oils is formed by admixing a calcined metallic oxide and an expanded silicate in a tumbler having grounded, electrically conducting walls for a period of time to electrostatically produce an agglomerate. Specific examples of metallic oxides are calcined magnesium oxide, calcined aluminum oxide, calcined potassium oxide, calcined calcium oxide, calcined zinc oxide and calcined ferric oxide. Examples of the silicate are expanded perlite and expanded pumice. The agglomerate so formed is of sufficient size to facilitate filtering of the oil, and subsequent removal of the media from the rejuvenated oil.

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