Method and apparatus for inhibiting the formation of polymerized

Details Method and apparatus for inhibiting the formation of polymerized Method and apparatus for inhibiting the formation of polymerized

1981-12-23

1983-04-12

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Addition of material to distilland to inhibit or prevent...

For inhibiting or preventing a polymerization reaction

203 86, 203 91, 202158, 202267R, 202154, 261114R, 261114TC, 585800, B01D 332

Patent

active

043797369

ABSTRACT:
A method and apparatus for inhibiting polymerization of vinylaromatic compounds during distillative purification wherein downcomers and tray bottoms of the distillation column exposed to high concentrations of liquid monomer condensate and low vapor velocities are coated with a non-wetting fluorocarbon polymer.

REFERENCES:
patent: 2399340 (1946-04-01), Franz
patent: 2888386 (1959-05-01), Brower
patent: 2978387 (1961-04-01), Chapman
patent: 3717553 (1973-02-01), Otsuki et al.
patent: 3988213 (1976-10-01), Yoshida et al.
patent: 4118285 (1978-10-01), Yeh
patent: 4177110 (1979-12-01), Watson
patent: 4207276 (1980-06-01), Ronkainen et al.

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