Process for removing caprolactam emissions by a washing method

Details Process for removing caprolactam emissions by a washing method Process for removing caprolactam emissions by a washing method

1993-09-30

1995-03-28

Bushey, Charles S.

Gas separation: processes

Liquid contacting

And recycle or reuse of contact liquid for further contact

95199, 95200, 95212, 95214, 95239, 264169, B01D 4700

Patent

active

054012970

ABSTRACT:
Disclosed is a process for removing emissions from caprolactam polymerization operations and thermoplastic polycaprolactam processing operations by collecting air containing the emissions, directing the air, containing the emissions, to a candle filter in a candle filter housing and rinsing the air, containing the emissions, within the candle filter with an aqueous caprolactam solution, containing at least 4% by weight caprolactam.

REFERENCES:
patent: 2952675 (1960-09-01), Bolle
patent: 3047565 (1962-07-01), Braun et al.
patent: 3763631 (1973-10-01), Horn et al.
patent: 4120671 (1978-10-01), Steinmeyer
patent: 4290783 (1981-09-01), Adams et al.
patent: 5122321 (1992-06-01), Chambers
patent: 5219585 (1993-06-01), Shealy

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