Catalytic conversion with catalyst regeneration sequence

Details Catalytic conversion with catalyst regeneration sequence Catalytic conversion with catalyst regeneration sequence

1984-09-10

1985-12-24

Chiesa, Richard L.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Sensed condition is operating time and control is operation...

208 70, 208135, 422190, B01J 804

Patent

active

045605360

ABSTRACT:
A reactor sequencing technique is useful for multi-stage hydrocarbon conversion systems employing a number of fixed bed catalytic reactors at various process temperatures and catalytic activity levels. An apparatus for oligomerizing lower olefins (e.g., C.sub.2 -C.sub.6) is disclosed wherein catalyst partially inactivated in a primary stage is employed to effect conversion at higher temperature in a secondary stage prior to catalyst regeneration.

REFERENCES:
patent: 3142545 (1964-07-01), Raarup et al.
patent: 4133743 (1979-01-01), Boret et al.
patent: 4259294 (1981-03-01), Langhout et al.
patent: 4319984 (1982-03-01), Pellet et al.
patent: 4433185 (1984-02-01), Tabak

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