US 12,486,481 B2
Systems and methods for stillage fractionation
Jason Alan Bootsma, Sioux Falls, SD (US)
Assigned to POET Research, Inc., Sioux Falls, SD (US)
Filed by POET Research, Inc., Sioux Falls, SD (US)
Filed on Jan. 11, 2024, as Appl. No. 18/410,960.
Application 16/534,165 is a division of application No. 15/015,355, filed on Feb. 4, 2016, granted, now 10,465,152, issued on Nov. 5, 2019.
Application 15/015,355 is a division of application No. 14/112,897, granted, now 9,290,728, issued on Mar. 22, 2016, previously published as PCT/US2012/033346, filed on Apr. 12, 2012.
Application 18/410,960 is a continuation of application No. 17/218,508, filed on Mar. 31, 2021, granted, now 11,905,502.
Application 17/218,508 is a continuation of application No. 16/534,165, filed on Aug. 7, 2019, granted, now 11,104,873, issued on Aug. 31, 2021.
Claims priority of provisional application 61/476,702, filed on Apr. 18, 2011.
Prior Publication US 2024/0263110 A1, Aug. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C12F 3/00 (2006.01); A23K 10/38 (2016.01); A23K 20/163 (2016.01); A23K 50/10 (2016.01); C10L 1/02 (2006.01); C11B 1/00 (2006.01); C12F 3/10 (2006.01); C12M 1/00 (2006.01); C12M 1/34 (2006.01)
CPC C12F 3/10 (2013.01) [A23K 10/38 (2016.05); A23K 20/163 (2016.05); A23K 50/10 (2016.05); C10L 1/026 (2013.01); C11B 1/00 (2013.01); C12M 41/26 (2013.01); C12M 43/00 (2013.01); C12M 47/10 (2013.01); C12M 47/14 (2013.01); Y02P 60/87 (2015.11)] 19 Claims
OG exemplary drawing
 
1. A method for processing whole stillage in an ethanol plant, comprising:
separating thin stillage liquid from the whole stillage;
separating protein paste and clarified liquid stillage output from the thin stillage liquid; and
sending at least a portion of the clarified liquid stillage output to an evaporation system to concentrate the clarified liquid stillage output into a concentrated, clarified liquid stillage product having at least 60% solids, wherein the concentrated, clarified liquid stillage product is used as an animal feed supplement, wherein the concentrated, clarified liquid stillage product comprises:
from 30% to 40% moisture; and
greater than 10% protein.