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KMID : 1024520120210060695
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Journal of the Environmental Sciences
2012 Volume.21 No. 6 p.695 ~ p.704
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Application of Disinfection Models on the Plasma Process
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Back Sang-Eun
Kim Dong-Seog
Park Young-Seek
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Abstract
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The application of disinfection models on the plasma process was investigated. Nine empirical models were used to find
an optimum model. The variation of parameters in model according to the operating conditions (first voltage, second voltage, air flow rate, pH) were investigated in order to explain the disinfection model. In this experiment, the DBD (dielectric barrier discharge) plasma reactor was used to inactivate Ralstonia Solanacearum which cause wilt in tomato plantation. Optimum disinfection models were chosen among the nine models by the application of statistical SSE (sum of squared error), RMSE(root mean sum of squared error), r2 values on the experimental data using the GInaFiT software in Microsoft Excel. The optimum model was shown as Weibull+talil model followed by Log-linear+ Shoulder+Tail model. Two models were applied to the experimental data according to the variation of the operating conditions. In Weibull+talil model, Log10(No),Log10(Nres), δ and p values were examined. And in Log-linear+Shoulder+Tail model, the Log10(No), Log10(Nres), kmax, Sl values were calculated and examined.
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KEYWORD
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Disinfection model, Plasma process, Ralstonia Solanacearum, First voltage, Second voltage, Air flow rate, pH
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