Method for conditioning and processing whole or thin stillage to aid in the separation and recovery of protein and oil fractions
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United States of America Patent
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Nov 22, 2022
Grant Date -
Dec 7, 2017
app pub date -
Aug 22, 2017
filing date -
Nov 19, 2010
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Abstract
A method of processing thin stillage in an ethanol refining operation is provided. The method comprises treating thin stillage upstream of a concentration or evaporation step with an aid comprising a sorbitan ester of a fatty acid, an ethoxylated sorbitan ester of a fatty acid, or a combination thereof, thereby forming treated thin stillage. The aid may include at least one of sorbitan monooleate, polyoxyethylene sorbitan monostearate, and polyoxyethylene sorbitan monolaurate.
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