HF alkylation process with addition of acid regenarator bottoms

Details HF alkylation process with addition of acid regenarator bottoms HF alkylation process with addition of acid regenarator bottoms

1975-12-03

1977-08-09

Crasanakis, George

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 354

Patent

active

040411010

ABSTRACT:
A process is disclosed for alkylating an isoparaffin with an olefin using HF acid. Unreacted isoparaffin, usually isobutane, is recycled. The presence of a free HF acid phase in isobutane recycled to the reaction zone can be tolerated because the deleterious effects of the HF acid are attenuated by the addition of an organic diluent. A preferred source of organic diluent is the bottoms fraction from the HF acid regenerator.

REFERENCES:
patent: 3408419 (1968-10-01), Herber et al.
patent: 3755485 (1973-08-01), Sobel
patent: 3825617 (1974-07-01), Hervert
patent: 3928486 (1975-12-01), Sobel
patent: 3948603 (1976-04-01), Zabransky

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