Stack emission control system for removing organic pollutants from air
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United States of America Patent
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Sep 18, 2001
Issued Date -
N/A
app pub date -
Sep 22, 1994
filing date -
Apr 30, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A stack emission control system utilized to remove organic contaminants as water-soluble solids from air collected from the vicinity of a polyurethane foam line assembly prior to the exhaust of the air into the surrounding atmosphere is described. A conventional packed tower scrubber is utilized containing an inert material as packing and pH-adjusted water as the wash fluid. The pH-adjusted water serves to remove essentially all of the organic contaminants as water-soluble solids from the air prior to exhaust of the air. The contaminant water-soluble solids are then readily separable from the pH-adjusted water by post-treatment to allow for the separate disposal of the essentially contaminant-free water and the contaminant solids.
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