Fractionation process

Mineral oils: processes and products – Fractionation – Distillation

Patent

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Details

208355, C10G 700

Patent

active

040533921

ABSTRACT:
A process for fractionating hydrocarbons wherein the overhead vapors of two fractionation columns are admixed and then condensed in a single overhead condenser. The overhead liquid is divided into two portions, one of which is used to supply reflux to the column receiving the process feed stream and the other as feed to the second column. Also disclosed is a control system for use on the process.

REFERENCES:
patent: 2029528 (1936-02-01), Gard
patent: 2348681 (1944-05-01), Houghland
patent: 2657243 (1953-10-01), Giraitis et al.
patent: 3320158 (1967-05-01), Potts

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