Method For Recovering a Basic Amino Acid Form a Fermentation Liquor ll
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United States of America Patent
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Issued Date -
Aug 14, 2008
app pub date -
Apr 13, 2006
filing date -
Apr 15, 2005
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Abandoned
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Abstract
The invention relates to a method for recovering a basic amino acid from the fermentation liquor of a micro-organism strain that produces the basic amino acid. According to said method: a) the fermentation liquor is acidified with an acid, whose pKs value in water at 25.degree. C. ranges between 2 and 5; and b) the basic amino acid is separated from the aqueous liquor obtained in step a) by the successive charging of a single or multiple stage, serial arrangement of a strongly acidic cation exchanger in the form of a salt with the liquor that has been obtained in step a) and the subsequent elution of the basic amino acid using a basic eluant.
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