Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1991-05-20
1992-06-23
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 10, 55 89, 55 90, 55122, 55126, 55223, 55259, 55485, 55487, 55DIG42, B01D 5000, B01D 4704
Patent
active
051239361
ABSTRACT:
This invention relates to a process and apparatus for removing fine particulate matter and vapors from a process exhaust air stream, and particularly those emitted during post-production curing or post-treatment of foamed plastics, such as polyurethane foam, in which the exhaust air stream is passed through a transfer duct into which is introduced a water spray in the form of a mist of fine droplets in an amount which exceeds the saturation point; thereafter the exhaust air stream is introduced into a filter chamber having a cross-sectional area that is substantially greater than that of the transfer duct, and the exhaust air stream passes through at least one, and preferably a plurality of high surface are a filters, whereby a portion of the water is removed from the exhaust air stream and collected in the filter chamber prior to the discharge of the exhaust air stream into the environment.
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U.S. Ser. No. 07/674,438, filed 3/22/91 in the name of H. Stone.
Rusenko Gregory
Stone Herman
PMC, Inc.
Spitzer Robert
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