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Refining of vegetable, marine, and animal oils containing phosphatides

阅读:939发布:2022-02-18

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1. IN THE REFINING OF VEGETABLE, MARINE AND ANIMAL OILS CONTAINING PHOSPHATIDES, THE PROCESS WHICH COMPRISES CONTINUOUSLY FEEDING THE CRUDE OIL IN A STREAM FROM A SUPPLY SOURCE, CONTINOUSLY INJECTING A HYDRATING MEDIUM INTO THE STREAM OF THE CRUDE OIL FOR HYDRATION OF THE PHSOPHATIDES, PASSING THE OIL, AFTER THE INJECTION OF SAID MEDIUM, THROUGH A REACTION ZONE WHILE MAINTAINING THE OIL IN A TURBULENT STATE, TO CONDITION THE PHOSPHATIDES FOR CENTRIFUGAL SEPARATION FROM THE OIL, INTIMATELY MIXING THE CRUDE OIL FROM SAID REACTION ZONE WITH A CAUSTIC REFINING AGENT IN AN AMOUNT SUFFICIENT ONLY TO BRING THE FREE FATTY ACIDS IN THE OIL TO A POINT-SOMEWHAT LESS THAN COMPLETE NEUTRALIZATION, THEN PROMPTLY CENTRIFUGING THE INCOMPLETELY NEUTRALIZED OIL TO EXTRACT THE PHOSPHATIDES THEREFROM, INTIMATELY MIXING THE OIL FROM SAID CENTRIFUGING WITH A FURTHER AMOUNT OF CAUSTIC REFINING AGENT SUFFICIENT TO COMPLETE THE NEUTRALIZATION OF THE FREE FATTY ACIDS IN THE OIL, PROMPTLY FEEDING THE OIL AND SAID LAST AGENT, AFTER SAID LAST MIXING, TO A RE-CENTRIFUGING OPERATION AND THERE SEPARATING THE OIL QUICKLY FROM THE IMPURITIES CONTAINED THEREIN FOLLOWING SAID NEUTRALIZATION, SEPARATELY DISCHARGING THE OIL AND SAID IMPURITIES FROM THE RE-CENTRIFUGING OPERATION, AND MAINTAINING THE OIL OUT OF CONTACT WITH THE ATMOSPHERE DURING THE ENTIRE COURSE OF ITS PASSAGE FROM SAID SOURCE TO AND THROUGH THE CENTRIFUGING AND RE-CENTRIFUGING OPERATIONS.
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