METHOD FOR RECOVERING SUCCINIC ACID CRYSTALS USING SURFACTANTS DURING CRYSTALLISATION, AND RESULTING CRYSTALS

The invention relates to a method for producing succinic acid crystals, comprising double crystallisation and the use of at least one surfactant during the first crystallisation step. The invention also relates to the succinic acid crystals obtained from a fermentation medium, characterised in that...

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Bibliographic Details
Main Authors Lanos Pierre, Duflot Pierrick, Boit Baptiste, Rossi Laurent, Dehay Frédérick
Format Patent
LanguageEnglish
Published 21.12.2017
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention relates to a method for producing succinic acid crystals, comprising double crystallisation and the use of at least one surfactant during the first crystallisation step. The invention also relates to the succinic acid crystals obtained from a fermentation medium, characterised in that they have a colour index b, measured in the reference system L, a, b, that is less than or equal to 1.00, preferably less than or equal to 0.90, and, better still, less than or equal to 0.80.
Bibliography:Application Number: US201515529648