B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
202/104
B01D 3/14 (2006.01) B01D 3/22 (2006.01) B01D 3/32 (2006.01)
Patent
CA 1178919
ABSTRACT OF THE DISCLOSURE A method and apparatus for inhibiting poly- merization of vinylaromatic compounds during distilla- tive 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.
418210
Kendall Debra L.
Watson James M.
Wright Danny P.
Cosden Technology Inc.
Gowling Lafleur Henderson Llp
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