Hydrogen fluoride-catalyzed alkylation apparatus

Details Hydrogen fluoride-catalyzed alkylation apparatus Hydrogen fluoride-catalyzed alkylation apparatus

1975-12-29

1977-09-06

Richman, Barry S.

Chemistry: physical processes

Physical processes

Crystallization

26068345, B01J 100, C07C 354

Patent

active

040465160

ABSTRACT:
A process and apparatus for the hydrogen fluoride-catalyzed alkylation of hydrocarbonaceous species, utilizing multiple reaction zones, in which the inventories and strengths of catalysts within the several reaction zones are controlled. A portion of the catalyst from a reaction zone over-abundant in either acid strength or acid inventory is educted from that zone and passed to a reaction zone deficient in either acid strength or acid inventory. The apparatus includes catalyst recycle conduits within each reaction-settling zone and conduit means for interconnecting the individual recycle conduits to provide alternative flow paths to move catalyst from one recycle conduit to another recycle conduit or vice-versa.

REFERENCES:
patent: 3087917 (1963-04-01), Scoggin
patent: 3249650 (1966-05-01), Fenske
patent: 3426095 (1969-02-01), Passley
patent: 3544651 (1970-12-01), Chapman
patent: 3707580 (1972-12-01), Anderson
patent: 3787518 (1974-01-01), Anderson
patent: 3804918 (1974-04-01), Henderson
patent: 3910771 (1975-10-01), Chapman

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