Process for distillation of petroleum by progressive separations

Details Process for distillation of petroleum by progressive separations Process for distillation of petroleum by progressive separations

1985-02-20

1987-05-12

Caldarola, Glenn

Mineral oils: processes and products

Fractionation

Distillation

208353, C10G 700

Patent

active

046647856

ABSTRACT:
The process consists in successively separating increasingly heavy petroleum cuts at the head of a plurality of columns CO1, CO2, CO3 and Cl0 of a first series of columns which feed individually each column of the second series. The column CO7 is a gasoline stabilizing column which feeds an installation for fractionating light petroleum gases. The column CO4 is a gasoline fractionating column. The columns CO5 and CO6 are columns for separating petroleum naphthas from kerosine. The atmospheric residue collected at the bottom of the column Cl0 is processed in the vacuum distillation column Cl2 and the residue from this column is processed in the second vacuum distillation column Cl3 after reheating in a furnace.
By carrying out a succession of progressive separations performed in a series of columns of small volume, more efficient utilization of the recovery heat is achieved.

REFERENCES:
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patent: 1744599 (1930-01-01), Watson
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patent: 2904510 (1959-09-01), Service, Jr.
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patent: 3567628 (1971-03-01), Van Pool
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patent: 4082653 (1978-04-01), DeGraff
"The Heat Exchanger Network Simulator", Chemical Eng. Progress, Mar. 1979, pp. 72-77.

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