Systems and methods for stillage fractionation
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United States of America Patent
Stats
-
Mar 22, 2016
Grant Date -
Aug 28, 2014
app pub date -
Apr 12, 2012
filing date -
Apr 18, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Systems and methods for fractionating whole stillage from an ethanol production facility are provided. Whole stillage undergoes a separation of its liquid portion (thin stillage) from the solid portion (fiber cake). In some embodiments, the solids and liquids in whole stillage may be separated utilizing a screening centrifuge. The fiber cake may be dried to generate a high fiber animal feed. The thin stillage may be provided to a three-phase separator for separation into an oil emulsion, an aqueous clarified stillage, and a protein paste. The protein paste may be dried to generate a high protein animal feed with greater than about 45% protein content. The clarified thin stillage is condensed to yield a syrup with greater than around 60% solids. The oil emulsion is subjected to a pH adjustment to liberate the oil from the emulsion, which is then separated.
First Claim
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Family
International Classification(s)
- 2012 Application Filing Year
- C11B Class
- 658 Applications Filed
- 158 Patents Issued To-Date
- 24.02 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 16 Citation Count
- C11B Class
- 91.89 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 22, 2027 |
