Method of recovering and/or refining animal fats

Details Method of recovering and/or refining animal fats Method of recovering and/or refining animal fats

1980-01-31

1981-07-28

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604285, 2604126, C11B 110

Patent

active

042809614

ABSTRACT:
Fatty animal starting material is subjected to extraction using a gas at supercritical conditions. The extraction operation takes place in a static column without circulation. The gas used as a solvent in the extraction operation may be subsequently regenerated and re-used. Any innocuous gas may be used provided its critical constants fall within the pressure and temperature ranges dictated by the extraction material. The fats are completely extracted without chemical modification of either the extract or the residue, both of which retain their natural composition. The water content of the extracted fats is less than 0.2% by weight. Scrap fat from meat and offal, such as visceral fat, may be used as starting material.

REFERENCES:
patent: 2118454 (1938-05-01), Schaafsma
patent: 2166160 (1939-07-01), King
patent: 3923847 (1975-12-01), Roselins et al.

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