Isoparaffin HF alkylation with low-boiling alkyl fluoride-contai

Details Isoparaffin HF alkylation with low-boiling alkyl fluoride-contai Isoparaffin HF alkylation with low-boiling alkyl fluoride-contai

1975-09-15

1977-05-31

Crasanakis, George

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 354

Patent

active

040269612

ABSTRACT:
High quality motor fuel alkylate is produced in a combination process comprising hydrofluorination of an olefin-containing hydrocarbon stream with HF to produce alkyl fluorides, separation of the produced alkyl fluorides into a low boiling fraction and a high boiling fraction, and subjecting the low boiling fraction to HF alkylation with an isoparaffin. In another embodiment, the high boiling alkyl fluoride polymer fraction is dehydrofluorinated and the produced lower boiling olefins and HF therefrom are recycled to the hydrofluorination step.

REFERENCES:
patent: 2333648 (1943-11-01), Grosse et al.
patent: 2347317 (1944-04-01), Gibson
patent: 2387162 (1945-10-01), Matuszak
patent: 2434000 (1948-01-01), Matuszak
patent: 2456435 (1948-12-01), Matuszak
patent: 2832812 (1958-04-01), Belden
patent: 2917559 (1959-12-01), Sweeney
patent: 3240834 (1966-03-01), Kruse et al.
patent: 3372207 (1958-03-01), Hutson, Jr.
patent: 3872181 (1975-03-01), Chapman

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