Treatment of impure frying oils

Details Treatment of impure frying oils Treatment of impure frying oils

1987-07-17

1988-04-05

Corbin, Arthur L.

Food or edible material: processes, compositions, and products

Processes

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

426423, A23D 502, C09F 510

Patent

active

047358157

ABSTRACT:
Used frying oils are regenerated and made suitable for reuse by treating the used oils with a composition consisting of a mixture of activated clay or magnesium silicate with a gel-derived alumina. The treating composition contains from about 15% by weight to about 75% by weight gel-derived alumina, balance activated clay or magnesium silicate. Treatment with the composition significantly reduces the free fatty acid content of the used oil with simultaneous improvement in color and other important properties thus resulting in a purified oil of substantially extended service life.

REFERENCES:
patent: 2446799 (1948-08-01), Winding
patent: 2475328 (1949-07-01), Lalande
patent: 3231390 (1966-01-01), Hoover
patent: 3954819 (1976-05-01), Husch
patent: 4112129 (1978-09-01), Duensing et al.
patent: 4330564 (1982-05-01), Friedman

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