Recovery of propane from HF alkylation vent gas

Details Recovery of propane from HF alkylation vent gas Recovery of propane from HF alkylation vent gas

1979-09-14

1982-09-07

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Plural parallel syntheses

585719, 585723, C07C 700, C07C 256

Patent

active

043485448

ABSTRACT:
Vent gases containing propane and HF obtained from a hydrocarbon alkylation operation are treated together with an alkylate either before or after it has been debutanized thus to remove HF from said vent gases and/or the vent gases are combined with a normal butane stream before it is treated to remove HF therefrom thus to remove HF from said vent gases. In any event described, the propane in the vent gases is advantageously recovered in the normal butane containing stream.

REFERENCES:
patent: 2542927 (1951-02-01), Kelley
patent: 2929857 (1960-03-01), Hutto
patent: 3206390 (1965-09-01), Van Pool
patent: 4009221 (1977-02-01), Carter

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