Method for extracting refined citric acid from citric acid fermentation liquid

Method for extracting refined citric acid from citric acid fermentation liquid

CN
  • CN 101,781,190 A
  • Filed: 03/23/2010
  • Published: 07/21/2010
  • Est. Priority Date: 03/23/2010
  • Status: Active Grant
First Claim
Patent Images

1. one kind is extracted refining methods of citric acid from citric acid fermentation broth, it is characterized in that, may further comprise the steps successively:

  • citric acid fermentation broth through film degerming, the decolouring of powder carbon, electrodialysis process, a carbon decolouring, ion-exchange and concentration crystallization step, is got the citric acid product.

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