Catalyst regeneration

Details Catalyst regeneration Catalyst regeneration

1986-06-27

1988-04-19

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422311, B01J 818

Patent

active

047388307

ABSTRACT:
Catalytic regenerators, nozzle designs and processes suitable for introducing regeneration air into a catalytic cracking unit which substantially reduce erosion induced nozzle failures, include at least one nozzle which has at least one planer surface generally parallel to the nozzle's longitudinal axis. In another embodiment, at least one nozzle has a plurality of planer surfaces generally parallel to the nozzle's longitudinal axis.

REFERENCES:
patent: 3040439 (1962-06-01), Frost
patent: 4150090 (1979-04-01), Murphy et al.
patent: 4322384 (1982-03-01), Sutton
patent: 4443551 (1984-04-01), Lionetti et al.

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