Power recovery in motor fuel alkylation process

Details Power recovery in motor fuel alkylation process Power recovery in motor fuel alkylation process

1982-07-01

1984-01-17

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By condensation of a paraffin molecule with an olefin-acting...

585723, 585910, 585913, C07C 256

Patent

active

044265441

ABSTRACT:
An energy recovery method is disclosed for use on acid catalyzed alkylation processes which produce motor fuel blending components. The method is used on alkylation processes in which a light hydrocarbon, such as isobutane, is withdrawn from an elevated pressure fractionation column as a vapor-phase stream which is preferably a sidecut stream, condensed and then recycled to the reaction zone of the alkylation process. In the subject method, the vapor-phase stream is first depressurized to recover useful energy and is then condensed.

REFERENCES:
patent: 3012082 (1961-12-01), Kelly et al.
patent: 3087898 (1963-04-01), Pfeiffer et al.
patent: 3515766 (1970-06-01), Root et al.
patent: 4144281 (1979-03-01), Chapman et al.
patent: 4195191 (1980-03-01), Boney
patent: 4249030 (1981-02-01), Chapman et al.

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