Solvent is separated with Raney nickel by distilling

Solvent is separated with Raney nickel by distilling

  • CN 107,082,752 A
  • Filed: 07/16/2014
  • Published: 08/22/2017
  • Est. Priority Date: 07/17/2013
  • Status: Active Application
First Claim
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1. a kind of be used for the method for the evaporation solvent from the catalyst solution comprising solvent and catalyst, wherein the solvent is included2- allyl acetonitriles and 3 pentene nitrile, wherein the catalyst include nickel and monodentate phosphorous ligand, and wherein methods described include withLower step:

  • (a) catalyst solution is incorporated into distillation zone;

    And(b) in the distillation zone evaporation solvent to form the solvent for including the catalyst, 2- allyl acetonitriles and 3 pentene nitrileThe catalyst solution of dilution, while maintaining the ratio of 3 pentene nitrile and 2- allyl acetonitriles in the catalyst solution of the solvent dilution is14 or smaller.

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