Distillation process

Details Distillation process Distillation process

1981-07-10

1983-11-15

Gantz, Delbert E.

Mineral oils: processes and products

Fractionation

Distillation

208354, 208356, 203 73, 203 78, C10G 700, B01D 338

Patent

active

044154437

ABSTRACT:
A method for improving the separation of a feed into a distillate and a bottoms product is disclosed. The subject invention includes a first distillation zone and a second distillation zone, each having rectification and stripping zones. Bottoms from the first stripping zone are passed into the second distillation zone. Distillate from the second rectification zone is removed utilizing a fluid evacuation means and returned to the first stripping zone.

REFERENCES:
patent: 2149058 (1935-11-01), Kraft
patent: 2322652 (1943-06-01), McClintock
patent: 2461694 (1949-02-01), McCubbin et al.
patent: 2736688 (1953-02-01), Kraft
patent: 2901407 (1957-07-01), Colton
patent: 3585124 (1968-10-01), Myers
patent: 4274944 (1981-06-01), Bannon

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