Process for removing, isolating and purifying dicarboxylic acids
A process for removing, isolating and purifying dicarboxylic acid from fermentation broths, which comprises the following steps: f) removal of the biomass and any solids present from the fermentation broth in two successive stages, g) removal of the dicarboxylic acid solution from the biomass-free f...
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Zusammenfassung: | A process for removing, isolating and purifying dicarboxylic acid from fermentation broths, which comprises the following steps: f) removal of the biomass and any solids present from the fermentation broth in two successive stages, g) removal of the dicarboxylic acid solution from the biomass-free fermentation broth by simulated moving bed (SMB) chromatography, h) fine purification of the dicarboxylic acid solution, i) multistage evaporative concentration and crystallization, j) separation and drying of the crystals. |
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