Distillation apparatus for readily polymerizable compound

Details Distillation apparatus for readily polymerizable compound Distillation apparatus for readily polymerizable compound

2007-10-30

2007-10-30

Manoharan, Virginia (Department: 1764)

Distillation: apparatus

Apparatus

Systems

C202S160000, C202S161000, C202S162000, C202S205000

Reexamination Certificate

active

10781986

ABSTRACT:
A distillation apparatus for subjecting a crude readily polymerizable compound to distillation under vacuum conditions to purify the same includes a distillation column and a vacuum generator, an exhaust gas conduit of the vacuum generator being connected to a connecting conduit therebetween through a pressure control valve. The purification method includes using the disclosed distillation apparatus and controlling the action of the pressure control valve based on a pressure of the distillation column, thereby controlling the amount of the exhaust gas to be introduced to control the pressure of the distillation column.

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