Process and salts for the preparation of 2,5-furandicarboxylic acid

The invention is directed to a method for the preparation, in particular for the purification of 2,5-furandicarboxylic acid or a salt thereof, comprising crystallization of a 2,5-furandicarboxylic acid mono salt and then crystallizing 2,5-furandicarboxylic diacid from this mono salt. Preferably, the...

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Bibliographic Details
Main Authors Crockatt, Marc, Van Der Meer, Johannes, Roa Engel, Carol Andrea, Roelands, Cornelis Petrus Marcus
Format Patent
LanguageEnglish
Published 14.03.2023
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention is directed to a method for the preparation, in particular for the purification of 2,5-furandicarboxylic acid or a salt thereof, comprising crystallization of a 2,5-furandicarboxylic acid mono salt and then crystallizing 2,5-furandicarboxylic diacid from this mono salt. Preferably, the method is at least partially carried out in a continuous or semi-continuous manner, preferably at least partially in one or more continuous mixed-suspension mixed product removal (MSMPR) crystallizers in series.
Bibliography:Application Number: US201917274296