摘要 |
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.
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申请人 |
TEAGUE, BETH O.;SHEALY, DENNIS G.;HIATT, WILLIAM C. |
发明人 |
TEAGUE, BETH O.;SHEALY, DENNIS G.;HIATT, WILLIAM C. |