PROCESS FOR ISOLATING HYDROXYMONOCARBOXYLIC AND TRICARBOXYLIC ACIDS

PROCESS FOR ISOLATING HYDROXYMONOCARBOXYLIC AND TRICARBOXYLIC ACIDS

The invention relates to the removal of hydroxymonocarboxylic acids and tricarboxylic acids, e.g. citric acid and lactic acid, from aqueous solutions, e.g. obtained from fermentation processes, by adsorption on zeolites with a modulus of up to 400. Suitable zeolites are of the dealuminised Y type (D...

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Hauptverfasser: SEXTL, ELFRIEDE, KINZ, HEIKE, SCHAFER-TREFFENFELDT, WILTRUD, YONSEL, SEMS, STOCKHAMMER, STEFAN, KISS, AKOS
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Sprache:eng ; fre
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator SEXTL, ELFRIEDE
KINZ, HEIKE
SCHAFER-TREFFENFELDT, WILTRUD
YONSEL, SEMS
STOCKHAMMER, STEFAN
KISS, AKOS
description The invention relates to the removal of hydroxymonocarboxylic acids and tricarboxylic acids, e.g. citric acid and lactic acid, from aqueous solutions, e.g. obtained from fermentation processes, by adsorption on zeolites with a modulus of up to 400. Suitable zeolites are of the dealuminised Y type (DAY), ZSM-5 type and mordenite type.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title PROCESS FOR ISOLATING HYDROXYMONOCARBOXYLIC AND TRICARBOXYLIC ACIDS
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