Ethanol fermentation methods and systems

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United States of America Patent

PATENT NO 9139803
APP PUB NO 20150065758A1
SERIAL NO

14328429

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Abstract

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Methods and systems for purifying feedstock-to-ethanol fermentation products are disclosed. The methods include the use of a solvent in the form of a supercritical fluid or liquid gas such as supercritical CO2 or liquid CO2 to dry fermentation beer solids, and/or to extract oil, ethanol, or ethanol and oil from fermentation beer or mixtures derived therefrom. Systems include a separations reactor having a first portion defined by walls that are impermeable to fermentation beer liquids joined to a second portion defined by walls that are impermeable to fermentation beer liquids by a third portion defined by walls that are permeable to fermentation beer liquids and impermeable to fermentation beer solids.

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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
Redford, Steven G Brandon, US 33 221

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