US 2017/0362615 A1Published application

Method for preparing organic compounds

OwnerFalk HARNISCH, Luis Felipe MORGADO ROSA +5inventors

InventorsFalk HARNISCH, Luis Felipe MORGADO ROSA, Heike STRAUBER, Sabine KLEINSTEUBER,, Michael DITTRICH-ZECHENDORF, Tatiane Regina DOS SANTOS, Uwe SCHRODER

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Abstract

The invention relates to a method for preparing organic compounds with recovery of product liquids, which comprise short-chain and medium length-chain carboxylic acids having a chain length of from 2 to 16 carbon atoms, by anaerobic fermentation of biomass with mixed microorganism cultures with suppression of methane formation and by electrolytic treatment of these product liquids containing the carboxylic acids with a constant or varying oxidation flow for the recovery and isolation of the target compounds.

Claims12

Dependent claims

A method for preparing organic compounds, characterised by

anaerobic fermentation of biomass with mixed microorganism cultures at temperatures of from 10 to 100° C. and pH values of from 3.5 to 9.5, wherein the methane formation is suppressed, such that product liquids comprising mixtures of short-chain and medium length-chain carboxylic acids having a chain length of from 2 to 16 carbon atoms are recovered,
electrolytic treatment of the product liquid containing the carboxylic acids with a constant or varying oxidation current in order to recover the organic compounds,
isolation of the organic compounds.

Dependencies are inferred from the claim text.

Facts

Application: 15/326,007Filed 10 Jul 2015
Priority: DE 10 2014 214 582.124 Jul 2014
Published: 21 Dec 2017
Term ends: Not estimatedThe source records don’t support an estimate.

Classification13 codes

C12P 7/54
Containing a carboxyl group including Peroxycarboxylic acids: acetic acid
C12P 5/023
Acyclic: methane
C12P 7/14
Ethanol, i.e. non-beverage: multiple stages of fermentation; Multiple types of microorganisms or re-use of microorganisms
C12P 7/40
Preparation of oxygen-containing organic compounds: containing a carboxyl group including Peroxycarboxylic acids

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