Systems and methods for stillage fractionation

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United States of America Patent

PATENT NO 10465152
APP PUB NO 20160152931A1
SERIAL NO

15015355

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Abstract

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Systems and methods for fractionating whole stillage from an ethanol production facility are provided. Whole stillage undergoes a separation of its liquid portion (thin stillage) from the solid portion (fiber cake). In some embodiments, the solids and liquids in whole stillage may be separated utilizing a screening centrifuge. The fiber cake may be dried to generate a high fiber animal feed. The thin stillage may be provided to a three-phase separator for separation into an oil emulsion, an aqueous clarified stillage, and a protein paste. The protein paste may be dried to generate a high protein animal feed with greater than about 45% protein content. The clarified thin stillage is condensed to yield a syrup with greater than around 60% solids. The oil emulsion is subjected to a pH adjustment to liberate the oil from the emulsion, which is then separated.

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Patent Owner(s)

Patent OwnerAddress
POET RESEARCH INC4615 N LEWIS AVENUE SIOUX FALLS SD 57104

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bootsma, Jason Alan Sioux Falls, US 9 80

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