Method of separating an aromatic from a hydrocarbon mixture

Details Method of separating an aromatic from a hydrocarbon mixture Method of separating an aromatic from a hydrocarbon mixture

1991-09-26

1993-10-12

Morris, Theodore

Mineral oils: processes and products

Fractionation

Liquid extraction with solvents

208322, 208326, C10G 2120, C10G 2112

Patent

active

052522008

ABSTRACT:
The process for separating an aromatic from an entry hydrocarbon mixture also containing nonaromatics, by an extractive distillation method using an extractive distillation column with a selective solvent consisting essentially of an N-substituted Morpholine having substituents each of which contain no more than seven carbon atoms, includes distilling off the nonaromatics from the top of the extractive distillation column as a top product, drawing the aromatic and selective solvent from the extractive distillation column and subsequently separating the selective solvent from the aromatic in a separator column. The extractive distillation column is provided with an additional column portion for separation of a selective solvent residue from the separated nonaromatics without a separate top product distillation column. The hydrocarbon entry mixture is heated prior to admission to the extractive distillation column by an indirect heat exchange with selective solvent drawn from the separator column and heated to a temperature of from 130.degree. to 150.degree. C. to form a heated entry hydrocarbon mixture.

REFERENCES:
patent: 2455803 (1948-12-01), Pierotti
patent: 3591490 (1971-07-01), Muller et al.
patent: 4519901 (1985-05-01), Fiocco
patent: 4595491 (1986-06-01), Berns
patent: 4664783 (1987-05-01), Preusser et al.

Affiliated with

Also associated with

Rating

Method of separating an aromatic from a hydrocarbon mixture does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of separating an aromatic from a hydrocarbon mixture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of separating an aromatic from a hydrocarbon mixture will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1901893