Parallel alkylation reactions utilizing pressured vaporous isopa

Details Parallel alkylation reactions utilizing pressured vaporous isopa Parallel alkylation reactions utilizing pressured vaporous isopa

1979-08-01

1980-09-30

Crasanakis, George

Chemistry of hydrocarbon compounds

Saturated compound synthesis

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

585723, C07C 354

Patent

active

042257417

ABSTRACT:
A process is provided for the simultaneous and separate alkylation of an isoparaffin such as isobutane with different olefins, e.g., propylenes and butylenes in different zones with an HF acid catalyst comprising separating the hydrocarbon phase from each of the alkylation effluents, subjecting each hydrocarbon phase to separate HF stripping, fractionating the liquid phases removed from each of the HF stripping zones, pressurizing the vaporous isoparaffin stream recovered from fractionation and utilizing the pressurized vaporous streams for indirect heat exchange with HF strippers and fractionation zones prior to recycling through alkylation.

REFERENCES:
patent: 2392962 (1946-01-01), Abrams et al.
patent: 2416395 (1947-02-01), Kuhn, Jr.
patent: 2536515 (1951-01-01), Penick
patent: 3158661 (1964-11-01), Plaster et al.
patent: 3478125 (1969-11-01), Chapman
patent: 3544651 (1970-12-01), Chapman
patent: 3763022 (1973-10-01), Chapman
patent: 3957901 (1976-05-01), Chapman

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