Catalyst regeneration process

Catalyst regeneration process

  • CN 101,439,299 B
  • Filed: 11/22/2007
  • Issued: 03/27/2013
  • Est. Priority Date: 11/22/2007
  • Status: Active Grant
First Claim
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1. the renovation process of a catalyst, it is characterized in that the method at first separates the titanium-silicon molecular sieve catalyst behind the inactivation in the oxidation reaction from the catalytic reaction mixture, through organic solvent washing, the temperature of said washing equals or the boiling point of a little higher than organic solvent, then wash with water, wash time is no more than 30 minutes, then with 80~

  • 90 ℃

    of lower processing of a kind of mixed solution, obtain regenerated catalyst without high-temperature roasting, said mixed solution is that aqueous hydrogen peroxide solution and molecular structural formula are H (CH 2) nThe mixture of the organic acid compound of COOH, wherein, the n span is 0~

    3, the quality proportioning of hydrogen peroxide and organic acid compound is 2~

    4;

    1.

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