RECOVERING UREA AND OIL FROM A UREA/OIL COMPLEX

Disclosed are methods of recovering urea from a urea/oil complex by drying the complex, combining the complex with water to form a urea solution, and removing water from the urea solution. Methods for recycling the urea in urea complexation processes are also disclosed. Also disclosed are methods of...

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Bibliographische Detailangaben
Hauptverfasser:	MUGFORD, PAUL, FREDERICK, WANG, WEIJIE, VAN DEN HEUVEL, THEOPHILUS, CORNELUS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS ESSENTIAL OILS FATTY ACIDS THEREFROM METALLURGY PERFUMES PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS
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Beschreibung
Zusammenfassung:	Disclosed are methods of recovering urea from a urea/oil complex by drying the complex, combining the complex with water to form a urea solution, and removing water from the urea solution. Methods for recycling the urea in urea complexation processes are also disclosed. Also disclosed are methods of recovering polyunsaturated fatty acids or derivatives thereof from the urea/oil complexes.