Patent · US Active

Stillage clarification

US11746312B1 · kind B1 · utility

1Cited by

37References

9Claims

0Family size

Inventors

Ashley Maxwell Whittington · San Francisco, US
Scott D. Kohl · Wichita, US

Key dates

Filing date	May 29, 2020
Grant date	Sep 5, 2023
Priority date	—
Expiry date	Dec 12, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P60/87
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A stillage clarification process and related system include using hydrocyclones and high recovery disc centrifuges for fractionation of stillage from a grain ethanol plant and splitting the stillage into fractions with mass and compositional assays per bushel of grain processed. The fractions include a first fraction comprising 45% to 70% protein and 3% to 8% fat, a second fraction comprising distillers corn oil, a third fraction comprising a fiber having made up of approximately 22% to 28% protein and less than 8% fat, and a fourth fraction comprising at least 30% soluble protein and less than 3% fat.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.