HF alkylation process utilizing fractionation zones at different

Chemistry of hydrocarbon compounds – Saturated compound synthesis – By condensation of a paraffin molecule with an olefin-acting...

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585719, 585723, C07C 354

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active

041829247

ABSTRACT:
An HF alkylation-fractionation system for the separation of the hydrocarbon phase separated from the HF alkylation effluent by passing the hydrocarbon phase first to a prefractionation zone operated at low pressure, followed by fractionation of both overhead and bottoms from the prefractionation zone at higher pressures and temperatures, and utilization of the high temperature streams obtained from the higher pressure fractionations as sources of heat for indirect heat exchange of the prefractionation zone and feed to at least one of the subsequent fractionations.

REFERENCES:
patent: 3204010 (1965-08-01), Van Pool
patent: 3204011 (1965-08-01), Hettick et al.
patent: 3763022 (1973-10-01), Chapman
patent: 3857904 (1974-12-01), Chapman
patent: 3925501 (1975-12-01), Putney et al.
patent: 3957901 (1976-05-01), Chapman

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