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Method for regenerating a zeolitic catalyst

  • US 20040152583A1
  • Filed: 01/22/2004
  • Published: 08/05/2004
  • Est. Priority Date: 06/06/1997
  • Status: Abandoned Application
First Claim
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1. A process for regenerating a zeolite catalyst which comprises the following stages (I) and (II):

  • (I) Heating a partially or completely deactivated catalyst to 250-600°

    C. in an atmosphere which contains less than 2% by volume of oxygen and (II) treating the catalyst at from 250 to 800°

    C., preferably from 350 to 600°

    C., with a gas stream which contains from 0.1 to 4% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof.

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