Removal of nitric oxide from waste gases and recovery as nitric acid
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United States of America Patent
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May 15, 1990
Issued Date -
N/A
app pub date -
Jan 27, 1989
filing date -
Oct 21, 1985
priority date (Note) -
Expired
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Abstract
A process is provided for removing nitric oxide from effluent vent or flue gas by subjecting the gas cyclically to scrubbing with a nitric acid stream and to electrolysis of the resulting nitric acid stream containing dissolved nitric oxide to oxidize the dissolved nitric oxide to nitric acid, for purposes of economy, for achieving a useful by-product, and for minimizing environmental pollution.
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