Lactic acid production, separation and/or recovery process
申请(专利)号:
US08/891467
申请日期:
19970711
公开/公告号:
US05892109A
公开/公告日期:
19990406
申请(专利权)人:
CARGILL INCORPORATED
被引量:
摘要:
A process for the production of lactic acid and for the separation and/or recovery of lactic acid from a lactate feed solution. A lactate feed solution preferably obtained from a fermentation broth is combined with and extracted by a water immiscible trialkyl amine in the presence of carbon dioxide. Lactic acid is recovered from the resulting organic phase. Recovered carbonate or bicarbonate from the aqueous phase is preferably recycled to the fermentor and regenerated extractant is preferably recycled for use in the extraction.
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