Title:
METHOD OF REGENERATING A MOLECULAR SIEVE CATALYST
Document Type and Number:
WIPO Patent Application WO/1999/012643
Kind Code:
A1
Abstract:
The invention relates to a method of regenerating a molecular sieve catalyst. This method essentially comprises the following steps: (1) The catalyst to be regenerated is regenerated in the first regenerative tube; (2) The catalyst regenerated in step (1) is separated in a group of cyclone separators located outside the first regenerative tube; (3) The catalyst regenerated in step (2) is further regenerated in the second regenerative tube; (4) The catalyst regenerated in step (3) is separated in a group of cyclone separators located outside the second regenerative tube; (5) The catalyst regenerated in step (4) enters into the catalytic cracking reactor of the lift pipe type through an inclined tube.
Inventors:
XU HENGBO (CN)
Application Number:
PCT/CN1998/000184
Publication Date:
March 18, 1999
Filing Date:
September 08, 1998
Export Citation:
Assignee:
XU HENGBO (CN)
International Classes:
B01J29/90; (IPC1-7): B01J29/90
Domestic Patent References:
| WO1996037299A1 | 1996-11-28 |
Foreign References:
| US3412013A | 1968-11-19 | |||
| EP0790075A1 | 1997-08-20 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (8th floor 2 Fuchengmenwai Street Beijing 7, CN)
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