Method of processing ethanol byproducts and related subsystems

In one aspect of the invention, a method recovers oil from a concentrated byproduct, such as evaporated thin stillage formed during a dry milling process used for producing ethanol. The method includes forming a concentrate from the byproduct and recovering oil from the concentrate. The step of form...

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Bibliographische Detailangaben
Hauptverfasser:	Cantrell, David F, Winsness, David J
Format:	Patent
Sprache:	eng
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES BEER BIOCHEMISTRY CANDLES CHEMISTRY DENATURING OF, OR DENATURED, ALCOHOL DETERGENTS DISTILLATION OR RECTIFICATION OF FERMENTED SOLUTIONS ENZYMOLOGY ESSENTIAL OILS FATTY ACIDS THEREFROM METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS PERFUMES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS RECOVERY OF BY-PRODUCTS SEPARATION SPIRITS TRANSPORTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	In one aspect of the invention, a method recovers oil from a concentrated byproduct, such as evaporated thin stillage formed during a dry milling process used for producing ethanol. The method includes forming a concentrate from the byproduct and recovering oil from the concentrate. The step of forming the concentrate may comprise evaporating the byproduct. Further, the step of separating the oil from the concentrate may comprise using a centrifuge and, in particular, a disk stack centrifuge. Other aspects of the invention include related methods and subsystems for recovering oil from thin stillage.