Barrier discharge conversion of Hg, SO.sub.2 and NOx
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United States of America Patent
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Sep 12, 2000
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N/A
app pub date -
Dec 29, 1998
filing date -
Oct 9, 1996
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Abstract
A process and apparatus for reducing particulate, nitrogen oxides ('NOx'), sulfur dioxide ('SO.sub.2 '), and mercury ('Hg') emissions from the combustion exhaust of fossil fuel fired plants while producing an end product that is commercially useful, comprising the steps of oxidizing Hg, NOx and SO.sub.2 using a barrier, pulse, corona, or electron beam electrical discharge apparatus (100) to produce HgO and the acids HNO.sub.3 and H.sub.2 SO.sub.4 collecting the HgO, acids and particulates in a wet ESP (120), and separating the particulates from the collected acid mixture, then separating and concentrating the acids for industrial use.
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