Chemical Additives to Improve Oil Separation in Stillage Process Operations
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United States of America Patent
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Sep 27, 2018
app pub date -
May 31, 2018
filing date -
May 31, 2018
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Abstract
The invention provides methods and compositions for recovering oil from stillage. The method comprises the addition of a surfactant and a microparticle comprising hydrophilic silica to a grain to ethanol stillage. The methods and compositions of the present invention release oil trapped in solid aggregates, increasing the total amount of oil extracted from the stillage.
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