Method for the production of adipodinitrile by hydrocyanation of 1,3-butadiene

Method for the production of adipodinitrile by hydrocyanation of 1,3-butadiene

  • CN 1,914,160 A
  • Filed: 01/26/2005
  • Published: 02/14/2007
  • Est. Priority Date: 01/29/2004
  • Status: Active Application
First Claim
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1. one kind prepares the method for adiponitrile by hydrocyanation 1,3-butadiene on catalyzer, wherein-in first processing step, at least a nickel (0) catalyzer, the 1,3-butadiene hydrocyanation become 3 pentene nitrile and-in second processing step, at least a nickel (0) catalyzer, the 3 pentene nitrile hydrocyanation become adiponitrile by adding at least a Lewis acid,This method comprises that at least a in nickel (0) catalyzer that will be used for specific process step in each case transfer to another processing step to small part.

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