Patent · US Active

Method for purifying carboxylic acids from fermentation broths

US9272976B2 · kind B2 · utility

2Cited by

8References

17Claims

0Family size

Assignee

THYSSENKRUPP INDUSTRIAL SOLUTIONS AG · DE

Inventors

Joachim Schulze · Soest, DE
Wolfgang Tietz · Biendorf, DE
Isabel Waengler · Berlin, DE
Klaus Kuehlein · Kelkheim, DE

Key dates

Filing date	Nov 15, 2012
Grant date	Mar 1, 2016
Priority date	—
Expiry date	Nov 15, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C51/42
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Disclosed is a method for removing and purifying carboxylic acids from fermentation broths, comprising removing biomass and any solids present from the fermentation broth, finely cleaning up the biomass-free and solids-free fermentation broth by nanofiltration, and removing the carboxylic acid from the finely cleaned, biomass-free, and solids free fermentation broth by adsorption to one or more solid phases having tertiary amino groups.

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