Recovery of hydrocarbons from acid settler bottoms

Details Recovery of hydrocarbons from acid settler bottoms Recovery of hydrocarbons from acid settler bottoms

1974-05-30

1976-07-20

Crasanakis, G. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2606834F, C07C 354

Patent

active

039707202

ABSTRACT:
Improvements in processes of alkylating isoparaffinic hydrocarbons with olefinic hydrocarbons in the presence of sulfuric acid catalyst utilizing effluent refrigeration of the alkylation reaction step; recovering hydrocarbons from spent acid removed from such alkylation systems and returning same to the system joining the heat exchanged hydrocarbon phase from the acid settler in the suction trap; using depropanizer bottoms to heat the spent acid to drive off hydrocarbons therefrom before passing same to the flash drum.

REFERENCES:
patent: 2335704 (1943-11-01), Smith
patent: 2649486 (1953-08-01), Putney
patent: 2664452 (1953-12-01), Putney
patent: 2949494 (1960-08-01), Putney
patent: 3192283 (1965-06-01), Mosely et al.
patent: 3448168 (1969-06-01), Goldsby
patent: 3652708 (1972-03-01), Lewis et al.

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