METHOD FOR RECOVERING SUCCINIC ACID CRYSTALS USING SURFACTANTS DURING CRYSTALLISATION, AND RESULTING CRYSTALS
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United States of America Patent
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Dec 21, 2017
app pub date -
Nov 26, 2015
filing date -
Nov 26, 2014
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Abstract
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.
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