SOME ZONES OF CATALYST BURNING OUT WITH INDEPENDENT CIRCULATION CIRCUITS Russian patent published in 2016 - IPC B01J23/96 B01J38/14 B01J38/20 B01J38/24 B01J38/42

Abstract RU 2574385 C1

FIELD: chemistry.

SUBSTANCE: invention relates to method of catalyst regeneration, which includes supply of waste catalyst stream into upper regeneration zone, supply of first regeneration gas flow, which contains oxygen, into upper regeneration zone with obtaining stream of partially regenerated catalyst as a result; transfer of stream of partially regenerated catalyst into lower regeneration zone and supply of stream of second regeneration gas into lower regeneration zone with obtaining stream of regenerated catalyst as a result; and stream of first regeneration gas and stream of second regeneration gas are independent streams.

EFFECT: improvement of catalyst regeneration process regulation.

10 cl, 1 dwg

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RU 2 574 385 C1

Authors

Dzjabis Gehri A.

Ressl Charl'Z T.

Kotsup Stiven K.

Dates

2016-02-10—Published

2012-09-13—Filed