Process for manufacturing and separating from petroleum cuts aro

Details Process for manufacturing and separating from petroleum cuts aro Process for manufacturing and separating from petroleum cuts aro

1974-01-02

1976-11-16

Levine, Herbert

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

208 64, 208 65, 208 96, 208102, 260674SE, C07C 536

Patent

active

039924653

ABSTRACT:
Process for producing aromatic hydrocarbons, particularly benzene and/or toluene from a feed charge containing saturated and unsaturated hydrocarbons, by catalytic treatment of said charge with hydrogen, fractionation of the resulting product to separate a fraction containing benzene and/or toluene, extractive distillation of at least one aromatic hydrocarbon in a column, by means of an extraction solvent from which said hydrocarbon is subsequently separated, and recycling to the reaction zone of at least one portion of the products recovered at the top of said extractive distillation column and containing essentially C.sub.6 and C.sub.7 saturated hydrocarbons.

REFERENCES:
patent: 2834822 (1958-05-01), Worthington et al.
patent: 2877173 (1959-03-01), Thorne et al.
patent: 2969317 (1961-01-01), Hess
patent: 3551327 (1970-12-01), Kelly et al.

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