Chemical additives to improve oil separation in stillage process operations

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United States of America

PATENT NO 10513669
SERIAL NO

15994608

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
ECOLAB USA INC1 ECOLAB PLACE SAINT PAUL MN 55102

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eastin, Philip Saint Louis, US 2 2
Huang, Xiaodong Aurora, US 74 391
Van't, Hul Jason Harrisburg, US 3 2
Wang, Xuejun Oswego, US 24 286
Xiao, Lan Naperville, US 6 5

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