Complexation and removal of mercury from flue gas desulfurization systems

A method for the reduction and prevention of mercury emissions into the environment from combusted fossil fuels or other off-gases with the use of peracetic acid is disclosed. The peracetic acid is used for the capture of mercury from the resulting flue gases using a flue gas desulfurization system...

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Bibliographische Detailangaben
Hauptverfasser: Carlson, Wayne M, Keiser, Bruce A, Dotzauer, David M, Denny, Nicholas R
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for the reduction and prevention of mercury emissions into the environment from combusted fossil fuels or other off-gases with the use of peracetic acid is disclosed. The peracetic acid is used for the capture of mercury from the resulting flue gases using a flue gas desulfurization system or scrubber. The method uses peracetic acid in conjunction with a scrubber to capture mercury and lower its emission and/or re-emission with stack gases. The method allows the use of coal as a cleaner and environmentally friendlier fuel source as well as capturing mercury from other processing systems.