Claims
- 1. A process for making a refined edible vegetable oil, comprising the steps of:
- degumming a crude vegetable oil;
- passing the degummed vegetable oil through a bed of granular activated carbon impregnated with from about 1.0 percent to about 15.0 percent by weight of MgO; and
- subjecting the treated vegetable oil to steam distillation at reduced pressure.
- 2. The process of claim 1 wherein the degumming is accomplished by hydration of the crude vegetable oil.
- 3. The process of claim 1 wherein the degumming is accomplished by hydration and acid treatment of the crude vegetable oil.
- 4. The process of claim 1 wherein the steam distillation is carried out at a temperature of from about 400.degree. to about 550.degree. F. and at a pressure of from about 1 to about 10 mm Hg.
- 5. A method of decolorizing a crude vegetable oil and removing organic acids from said vegetable oil, comprising:
- passing said vegetable oil through a bed of granular activated carbon impregnated with from about 1.0 percent to about 15.0 percent by weight of MgO.
- 6. A method of decolorizing a degummed vegetable oil and removing organic acids from said vegetable oil, comprising:
- passing said vegetale oil through a bed of granular activated carbon impregnated with from about 1.0 percent to about 15.0 percent by weight of MgO.
Parent Case Info
This is a division of application Ser. No. 779,954 filed Mar. 22, 1977 now U.S. Pat. No. 4,125,482.
US Referenced Citations (4)
Divisions (1)
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Number |
Date |
Country |
Parent |
779954 |
Mar 1977 |
|