Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-05-05
1977-05-17
Crasanakis, George
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
26068345, 26068348, C07C 354
Patent
active
040242005
ABSTRACT:
An alkylatable reactant is alkylated with an olefin-acting reactant, utilizing a fluid HF catalyst in a countercurrent flow reaction chamber wherein reactants are flowing upward and the fluid catalyst is flowing downward. The fluid catalyst enters the reaction chamber at the top and is withdrawn at the bottom. Reaction chamber effluent passes into a settling chamber wherein it is separated into a catalyst phase and a hydrocarbon phase, the latter passing through a second reaction chamber in which it contacts a countercurrent flow of higher concentration fluid HF catalyst, and into a final settling chamber, wherein a hydrocarbon reaction product phase is separated from a catalyst phase and withdrawn. Also disclosed is a novel unitary alkylation vessel comprising, in combination, a countercurrent reaction chamber, a settling chamber, a second reaction chamber, and a final settling chamber.
REFERENCES:
patent: 2365426 (1944-12-01), Molique
patent: 3435092 (1969-03-01), Hutson, Jr. et al.
patent: 3707580 (1972-12-01), Anderson
patent: 3914111 (1975-10-01), Anderson
patent: 3966417 (1976-06-01), Chapman
Crasanakis George
Hoatson Jr. James R.
Page II William H.
UOP Inc.
Welch Robert W.
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