CRYSTALLISATION PROCESS USING ULTRASOUND

The present invention relates to a process for the crystallization of a solid phase from a liquid, characterized in that the liquid during crystallization is subjected to ultrasound in the absence of transient cavitation. In particular the liquid is sonicated under such conditions of time and freque...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JANSSEN JO, ARENDS BEREND JAN, PATRICK MARIA, BLINDT RENOO AVINASH
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKINGOILS ESSENTIAL OILS FATTY ACIDS THEREFROM FOODS OR FOODSTUFFS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY PERFORMING OPERATIONS PERFUMES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS SEPARATION SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the crystallization of a solid phase from a liquid, characterized in that the liquid during crystallization is subjected to ultrasound in the absence of transient cavitation. In particular the liquid is sonicated under such conditions of time and frequency that nucleation of stable crystals in the liquid is induced without exceeding the cavitation threshold and the occurrence of transient cavitation and the accompanying flavor deterioration is avoided. The liquid preferably is a triglyceride oil such as a vegetable oil or animal fat, e.g. liquefied milk fat.