Oxidation of Elemental Mercury by Active Species Injection from a Surface Discharge Reactor

Yu Ze Jiang; Jiu Tao An; Di Wen Jiang; Jie Li; Yan Wu

doi:10.4028/www.scientific.net/AMR.807-809.1294

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 807-809Oxidation of Elemental Mercury by Active Species...

Oxidation of Elemental Mercury by Active Species Injection from a Surface Discharge Reactor

Abstract:

Active species injection generated by a surface discharge plasma reactor (SDPR) was studied to oxidize elemental mercury (Hg⁰) in the flue gas. The reactor was inserted in the simulated flue duct. The effects of several operational parameters, such as applied voltage, inlet Hg⁰ concentration, applied frequency and air injection flow rate, were well investigated. Experimental results showed that Hg⁰ oxidation efficiency of 83.8% was achieved at specific energy density of 4.0 J L^-1 and the flow rate of 1.6 L min^-1. Increasing applied voltage and air injection flow rate was beneficial for Hg⁰ oxidation due to higher production of active species. Lower Hg⁰ oxidation efficiency was observed with an increase of initial concentration. With an increase of applied frequency, Hg⁰ oxidation efficiency significantly increased, but the energy yield dropped.

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Periodical:

Advanced Materials Research (Volumes 807-809)

Pages:

1294-1297

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.807-809.1294

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Online since:

September 2013

Authors:

Yu Ze Jiang, Jiu Tao An, Di Wen Jiang, Jie Li, Yan Wu

Keywords:

Active Species Injection, Elemental Mercury Oxidation, Flue Gas Removal Mercury, Surface Discharge Plasma Reactor

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