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http://dx.doi.org/10.5322/JES.2012.21.6.695

Application of Disinfection Models on the Plasma Process  

Back, Sang-Eun (Department of Environmental Science, Catholic University of Daegu)
Kim, Dong-Seog (Department of Environmental Science, Catholic University of Daegu)
Park, Young-Seek (Faculty of Liberal Education, Daegu University)
Publication Information
Journal of Environmental Science International / v.21, no.6, 2012 , pp. 695-704 More about this Journal
Abstract
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), $r^2$ 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($N_o$), Log10($N_{res}$), ${\delta}$ and p values were examined. And in Log-linear+Shoulder+Tail model, the Log10($N_o$), Log10($N_{res}$), $k_{max}$, Sl values were calculated and examined.
Keywords
Disinfection model; Plasma process; Ralstonia Solanacearum; First voltage; Second voltage; Air flow rate; pH;
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