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http://dx.doi.org/10.14481/jkges.2011.12.4.3

The Study of Statistical Optimization of 1,4-dioxane Treatment Using E-beam Process  

Hwang, Haeyoung (경기대학교 환경에너지시스템공학과)
Chang, Soonwoong (경기대학교 환경에너지시스템공학과)
Publication Information
Journal of the Korean GEO-environmental Society / v.12, no.4, 2011 , pp. 25-31 More about this Journal
Abstract
In this study, the experimental design methodology was applied to optimize 1,4-dioxane treatment in E-beam process. Main factor was mathematically described as a function of parameters 1,4-dioxane removal efficiencies(%), TOC removal efficiencies(%) modeled by the use of the central composite design(CCD) method among the response surface methodology(RSM). Concentration of 1,4-dioxane is designated as "$x_1$" and Irradiation intensity is designated as "$x_2$". The regression equation in coded unit between the 1,4-dioxane concentration and removal efficiencies(%) was $y=71.00-10.85x_1+20.67x_2+{1.53x_1}^2-{7.92x_2}^2-1.23x_1x_2$. The regression equation in coded unit between the 1,4-dioxane concentration and TOC removal efficiencies(%) was $y=44.48-13.25x_1+9.54x_2+{5.43x_1}^2-{1.35x_2}^2+4.45x_1x_2$. The model predictions agreed well with the experimentally observed results $R^2$(Adj) over 90%. Toxicity test using algae Pseudokirchneriella Subcapitata showed that the inhibition was reduced according to increasing an E-beam irradiation.
Keywords
1,4-dioxane; CCD; E-beam; Optimization;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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