Process for preparing trioxane

Process for preparing trioxane

  • CN 1,078,591 C
  • Filed: 04/22/1996
  • Issued: 01/30/2002
  • Est. Priority Date: 04/21/1995
  • Status: Active Grant
First Claim
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1. the manufacture method of trioxane, it is characterized in that, when making trioxane by formalin, use a kind of manufacturing installation that comprises 2 functional operations, wherein, in the 1st functional operation, mainly be to use a kind of material to remove metallic impurity in the formalin, in the 2nd functional operation, mainly be to use solid acid catalyst by the formalin He Cheng trioxane of removing metallic impurity with ion-exchange capacity.

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