GB477282A - Improvement in art of refining edible oils, fats and analogous products - Google Patents
Improvement in art of refining edible oils, fats and analogous productsInfo
- Publication number
- GB477282A GB477282A GB17344/36A GB1734436A GB477282A GB 477282 A GB477282 A GB 477282A GB 17344/36 A GB17344/36 A GB 17344/36A GB 1734436 A GB1734436 A GB 1734436A GB 477282 A GB477282 A GB 477282A
- Authority
- GB
- United Kingdom
- Prior art keywords
- peroxide
- oil
- foots
- fats
- corn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
Abstract
Fats, oils, and waxes are refined and stabilized by treatment with an organic peroxide in presence of a precipitant of mucilaginous matter at a temperature below that required to decompose the peroxide when heated alone, an excess of peroxide being used so that the purified oil contains a substantial amount thereof. Blowing with superheated ization. The peroxide is preferably a peroxide of one or more of the natural ingredients of the corresponding crude oil, e.g. of the acids in the "foots." The precipitant may be dilute sulphuric, nitric, or phosphoric acid, a neutral solid such as aluminium sulphate, an adsorbent such as fuller's earth, but when free fatty acid is also to be removed is preferably an alkali metal hydroxide or carbonate or a weak acid salt forming a soap insoluble in the oil; suitable precipitants are sodium hydroxide, carbonate, borate, and phosphate, maybe with added bicarbonate, boric acid, or phosphoric acid to reduce the pH value. Specified substances treated are wax, lard, butter, tallow, and castor, linseed, palm, olive, cottonseed, coconut, corn, and soya bean oils. In an example, 1000 lb. of corn oil is agitated for 1 hr. at 50--55 DEG C. with 5--10 lb. of peroxides made from corn oil foots, and then for 1--2 hr. with a 16--40 DEG B<\>ae. solution of 4,25 lb. of caustic soda; after settling, the foots and mucilaginous matter are removed by decanting or filtering.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US477282XA | 1935-06-20 | 1935-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB477282A true GB477282A (en) | 1937-12-22 |
Family
ID=21950597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17344/36A Expired GB477282A (en) | 1935-06-20 | 1936-06-22 | Improvement in art of refining edible oils, fats and analogous products |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB477282A (en) |
-
1936
- 1936-06-22 GB GB17344/36A patent/GB477282A/en not_active Expired
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