Patent · US Active

Method of separating oil from a liquid stillage

US9631161B2 · kind B2 · utility

8Cited by

11References

20Claims

0Family size

Assignee

Croda, Inc. · US

Inventors

Craig M. Sungail · Chadds Ford, US
Min Ma Wang · Fujian, CN
Xin Chen · Shanghai, CN
Ronald E. Bingeman · Greenville, US

Key dates

Filing date	May 3, 2016
Grant date	Apr 25, 2017
Priority date	—
Expiry date	May 3, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11B3/16
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A method of separating oil from a liquid stillage is disclosed. The stillage includes an aqueous phase and an oil phase. The method comprises adding a separation additive to the stillage and performing at least one separation operation on the stillage to separate an amount of the oil phase from the stillage. The separation additive comprises an ester of an alkoxylated non-cyclic polyol and a fatty acid.

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