Method for producing acrylamide using film technique microbiological transformation

Method for producing acrylamide using film technique microbiological transformation

  • CN 1,482,250 A
  • Filed: 04/11/2003
  • Published: 03/17/2004
  • Est. Priority Date: 04/11/2003
  • Status: Active Application
First Claim
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1. method that acrylamide is produced in the microbial transformation of using membrane technique, contain following operation:

  • microbial thallus culture, the preparation of the resuspended liquid of thalline, and carry out the acrylonitrile hydration reaction with free thalline as biological catalyst and produce acrylamide, the acrylamide aqua liquid of separating reaction gained, it is characterized in that coming the thalline in the purification and washing fermented liquid to prepare the resuspended liquid of thalline, come separation of acrylamide aqua liquid and biological impurities with ultra-filtration membrane with microfiltration membrane.

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