PROCESSING FISH RAW MATERIAL

A heat exchanger equipped for indirect heating, stirring and steam removal is charged with a finely divided fish mass, whereafter a combined boiling and drying procedure is carried out in the heat exchanger with essentially continuous heat supply and steam removal until the heat excharger contains f...

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Bibliographische Detailangaben
1. Verfasser:	BLADH, PER V. H
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS,OILS, OR FATTY ACIDS OBTAINED THEREFROM FATTY ACIDS FROM FATS, OILS OR WAXES FATTY ACIDS THEREFROM FOODS OR FOODSTUFFS HUMAN NECESSITIES METALLURGY PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS PROTEIN COMPOSITIONS FOR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES WORKING-UP PROTEINS FOR FOODSTUFFS
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Beschreibung
Zusammenfassung:	A heat exchanger equipped for indirect heating, stirring and steam removal is charged with a finely divided fish mass, whereafter a combined boiling and drying procedure is carried out in the heat exchanger with essentially continuous heat supply and steam removal until the heat excharger contains fish meal with a desired low water content and oil content. The oil removal is effected during part of the period for said boiling and drying procedure by feeding fish mass from the heat exchanger to a decanter having three separate outlets for separated sludge phase, oil phase and water phase while continuously recirculating to the heat exchanger the sludge phase separated in the decanter removing separated oil for storing or further treatment, and removing separated stick water, at least part of the stick water being recirculated to the heat exchanger and/or being remixed with the fish mass discharged from the heat exchanger to be fed into the decanter.