Title:
【発明の名称】ゼオライト触媒の再生法
Document Type and Number:
Japanese Patent JP2002504014
Kind Code:
A
Abstract:
A process for regenerating a zeolite catalyst comprises the following stages: (I) Heating a partially or completely deactivated catalyst to 250-600° C. in an atmosphere which contains less than 2% by volume of oxygen, (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, and (III) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from more than 4 to 100% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof.
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Inventors:
Georg Heinrich Groche
Ulrich Muller
Andreas Walch
Norbert reaver
Wolfgang Harder
Ulrich Muller
Andreas Walch
Norbert reaver
Wolfgang Harder
Application Number:
JP50154799A
Publication Date:
February 05, 2002
Filing Date:
June 05, 1998
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
B01J29/90; B01J38/12; B01J38/20; C07B41/00; C07C29/48; C07C45/27; C07C51/265; C07D301/12; (IPC1-7): B01J38/20; B01J29/90; C07D301/12
Attorney, Agent or Firm:
Toshio Yano (3 outside)