Method of processing ethanol byproducts and related subsytems

Details Method of processing ethanol byproducts and related subsytems Method of processing ethanol byproducts and related subsytems

C - Chemistry, Metallurgy

07

C

C07C 29/00 (2006.01)

Patent

CA 2576895

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.

L'invention concerne un procédé qui, dans un aspect, permet de récupérer de l'huile d'un sous-produit concentré, tel que des résidus solubles de distillation évaporés formés lors d'un processus de broyage à sec utilisé pour produire de l'éthanol. Le procédé consiste à à former un concentrat à partir du sous-produit, puis à récupérer l'huile du concentrat. L'étape de formation du concentrat peut consister à évaporer le sous-produit. De plus, l'étape de séparation de l'huile du concentrat peut consister à utiliser une centrifugeuse et, en particulier, une centrifugeuse à disques. D'autres aspects de l'invention comprennent des procédés et des sous-systèmes apparentés de récupération d'huile à partir de.

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