Method for production of dimethyl sulfone by oxidation of methanol based medium obtained from sulfate cellulose process

Method for production of dimethyl sulfone by oxidation of methanol based medium obtained from sulfate cellulose process

  • CN 103,429,814 A
  • Filed: 02/02/2012
  • Published: 12/04/2013
  • Est. Priority Date: 02/03/2011
  • Status: Active Application
First Claim
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1. the method for the preparation of dimethyl sulfone, is characterized in that:

  • in the methanol-based medium, by the oxidation by dimethyl sulfide, prepare dimethyl sulfone;

    Methyl alcohol is removed by distillation, steam distillation or evaporation in the process of described oxidation and/or afterwards;

    And make dimethyl sulfone from the crystallization of group water solution phase.

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