Process for neutralizing vegetable or animal oils or fats in a water-soluble solvent
阅读：727发布：2022-02-13
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1. A PROCESS FOR NEUTRALIZING VEGETABLE AND ANIMAL OILS AND FATS, COMPRISING THE STEPS OF DISSOLVING SAID OILS AND FATS IN A SOLVENT MISCIBLE IN ALL PROPORTIONS WITH BOTH WATER AND SAID OILS AND FATS, TREATING THE SOLUTION THUS OBTAINED WITH AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF THE HYDROXIDES AND CARBONATES OF AN ALKALI METAL OF THE GROUP CONSISTING OF SODIUM AND POTASSIUM UNTIL NEUTRALIZATION OF SAID OILS AND FATS HAS BEEN OBTAINED, INTIMATELY CONTACTING SAID SUBSTANCE WITH SAID SOLUTION IN ORDER TO ACCELERATE THE NEUTRALIZATION OF SAID OILS AND FATS, ADDING SUBSTANTIAL QUANTITIES OF HOT WATER FOLLOWING SAID NEUTRALIZATION TO STRONGLY DILUTE THE NEUTRALIZED MISCELLA THUS OBTAINED, WHEREUPON TWO IMMISCIBLE LIQUID PHASE ARE OBTAINED HAVING DIFFERENT SPECIFIC GRAVITIES, SEPARATING SAID LIQUID PHASE FROM EACH OTHER, DISTILLING OFF THE SOLVENT FROM SAID LIQUID PHASE INDIVIDUALLY, COLLECTING THE SOLVENT-FREE NEUTRALIZED OILS AND FATS, AND DISCARDING THE SOLVENT-FREE AQUEOUS PHASE WHICH IS A SOLUTION OF SOAP AND WATER-SOLUBLE IMPURITIES.
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