Method for aromatic hydrocarbon recovery

Details Method for aromatic hydrocarbon recovery Method for aromatic hydrocarbon recovery

1989-03-09

1991-12-17

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

585807, 585835, 585857, 585866, 208311, 208321, 208325, 208334, C07C 700, C10G 1704

Patent

active

050736698

ABSTRACT:
Methods are provided for the recovery of aromatic hydrocarbons from the extract phase of aromatic-selective solvent extraction processes which involve withdrawing a vapor side-cut fraction containing aromatic hydrocarbons and solvents from a stripping zone and passing the side-cut fraction to a rectification zone which can be refluxed with aromatic hydrocarbons or aqueous condensate.

REFERENCES:
patent: 3590092 (1971-06-01), Uitti et al.
patent: 3702295 (1972-11-01), Thompson

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