B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/00 (2006.01) B01D 46/24 (2006.01) B01D 50/00 (2006.01) B01D 53/18 (2006.01) B01D 53/72 (2006.01) C07D 223/10 (2006.01)
Patent
CA 2128130
Abstract of the Disclosure Disclosed is an apparatus for removing caprolactam emissions from a broad variety of sources, especially from caprolactam polymerization operations and thermoplastic polycaprolactam processing operations which contains a header for collecting air containing the emissions, a duct, and a candle filter housing, which is connected to the header by the duct, a candle filter located in the candle filter housing, which is connected to the duct, a nozzle for rinsing the candle filter with an aqueous caprolactam solution, which is connected to the candle filter; a reservoir having a drain which is connected to the candle filter, a circulation pump for recirculating the aqueous caprolactam solution from the reservoir to the candle filter, a refractometer and a feedback equipment for maintaining the caprolactam cencentration in the reservoir at a predetermined level and a fan for moving the air through the header, duct, candle filter and candle filter housing.
Hiatt William C.
Shealy Dennis G.
Teague Beth O.
Basf Corporation
Robic
LandOfFree
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