Patent · US Active

Method of separating oil from a liquid stillage

US9745540B2 · kind B2 · utility

11Cited by

11References

21Claims

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	Jul 8, 2014
Grant date	Aug 29, 2017
Priority date	—
Expiry date	Jul 8, 2034

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.