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Application of Non-Thermal Plasma for the Simultaneous Removal of Odor and Sludge  

Hwang, Hyun-Jung (세종대학교 토목환경공학과)
Ann, Hae-Young (세종대학교 토목환경공학과)
Shin, Seung-Kyu (세종대학교 토목환경공학과)
Song, Ji-Hyeon (세종대학교 토목환경공학과)
Publication Information
Journal of Korean Society of Water and Wastewater / v.24, no.1, 2010 , pp. 85-92 More about this Journal
Abstract
In this study, odorous compounds emitted from various wastewater treatment were treated with using the non-thermal plasma reaction, and the effluent gas from the plasma reactor was introduced to a waste sludge reactor to achieve simultaneous sludge reduction. Hydrogen sulfide, the model odorous compound, was removed at 70% using the plasma reaction, and greater than 99% removal efficiency was observed when treated by the sludge reactor. In addition, the sludge reactor showed a high efficiency of ozone removal. As ozone reacted with sludge, oxidation with organic matters took place, and total COD decreased by 50~60% and soluble COD increased gradually. As a result, the integrated process consisting of the non-thermal plasma and the sludge reactor can be successfully applied for the simultaneous treatment of malodorous gas and waste sludge.
Keywords
Odor; Hydrogen sulfide; Non-thermal plasma; Sludge; Ozone; Solubilization;
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Times Cited By KSCI : 4  (Citation Analysis)
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