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METHODS AND SORBENTS FOR UTILIZING A HOT-SIDE ELECTROSTATIC PRECIPITATOR FOR REMOVAL OF MERCURY FROM COMBUSTION GASES
METHODS AND SORBENTS FOR UTILIZING A HOT-SIDE ELECTROSTATIC PRECIPITATOR FOR REMOVAL OF MERCURY FROM COMBUSTION GASES
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机译:利用热侧静电除尘器去除燃烧气体中汞的方法和吸附剂
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摘要
Methods are provided for reducing emission of mercury from a gas stream by treating the gas with carbonaceous mercury sorbent particles to reduce the mercury content of the gas; collecting the carbonaceous mercury sorbent particles on collection plates of a hot-side ESP; periodically rapping the collection plates to release a substantial portion of the collected carbonaceous mercury sorbent particles into hoppers; and periodically emptying the hoppers, wherein such rapping and emptying are done at rates such that less than 70% of mercury adsorbed onto the mercury sorbent desorbs from the collected mercury sorbent into the gas stream.
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