Method for preparing dimethyl sulfoxide

Method for preparing dimethyl sulfoxide

  • CN 104,557,630 A
  • Filed: 10/29/2013
  • Published: 04/29/2015
  • Est. Priority Date: 10/29/2013
  • Status: Active Application
First Claim
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1. the preparation method of a dimethyl sulfoxide (DMSO), under the method is included in oxidation reaction condition, in fixed-bed reactor, dimethyl thioether is contacted with the beds being filled with at least one HTS with at least one superoxide, obtain the reaction mixture containing dimethyl sulfoxide (DMSO), wherein, at least part of described HTS is non-fresh HTS.

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