Process to remove metal species from exhaust vapors
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United States of America Patent
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May 28, 1996
Issued Date -
N/A
app pub date -
Jul 9, 1994
filing date -
Sep 13, 1989
priority date (Note) -
Expired
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Abstract
The effluent stream from the treatment of glass with vapor-phase coating materials contains tin residues. By washing that effluent stream, in an apparatus having a scrubber bed and flow-control and -recycling means, with an acidic solution having a limited concentration of the tin residue, recovery efficiency of the post-coating treatment is improved, and process emissions are reduced.
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