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- W2032055509 abstract "본 연구에서는 UV-A 조사를 통해 titanium dioxide(<TEX>$TiO_2$</TEX>), hydroxyapatite(HAP)와 germanium(Ge)의 다양한 복합촉매를 통한 항생제(lincomycin, LM)의 광촉매 제거를 조사하였다. 우선, 다양한 복합촉매의 향상된 광촉매능을 비교하였고, 도출된 제거효율은 <TEX>$TiO_2/HAP/Ge$</TEX> > <TEX>$TiO_2/Ge$</TEX> > <TEX>$TiO_2/HAP$</TEX> 순으로 관찰되었다. <TEX>$TiO_2/HAP/Ge$</TEX>의 조성은 반응표면법의 하나인 혼합물분석(mixture analysis)에 기초하여 통계적 방안이 수행되었다. 각 인자별 6개의 조건을 포함하도록 설정한 독립변수 <TEX>$TiO_2(X_1)$</TEX>, HAP(<TEX>$X_2$</TEX>)와 Ge(<TEX>$X_3$</TEX>)의 LM(<TEX>$Y_1$</TEX>)과 TOC(<TEX>$Y_2$</TEX>) 제거에 대한 영향을 살펴보았다. 분산분석(ANOVA)의 회귀분석항은 유의한 p값(p<0.05)과 높은 결정계수 값(<TEX>$R^2$</TEX> of <TEX>$Y_1=99.28%$</TEX> and <TEX>$R^2$</TEX> of <TEX>$Y_2=98.91%$</TEX>)을 나타냈다. 등고선도와 반응곡선을 통해 UV-A 조사조건에서 <TEX>$TiO_2$</TEX>/HAP/Ge 조성에 따른 LM의 제거를 나타냈다. TOC(<TEX>$Y_2$</TEX>) 제거를 기준으로 도출된 최적조성비는 코드화 값으로 <TEX>$X_1=0.6913$</TEX>, <TEX>$X_2=0.2313$</TEX>과 <TEX>$X_3=0.0756$</TEX>으로 나타났다. 실제 적용에 따른 비교 실험 결과는 LM과 TOC의 평균제거율이 각각 99.2%와 49.3%로 나타나 모델의 예측과 잘 부합하였다. In this study, it was found that determined the photocatalytic degradation of antibiotics (lincomycin, LM) with various catalyst composite of titanium dioxide (<TEX>$TiO_2$</TEX>), hydroxyapatite (HAP) and germanium (Ge) under UV-A irradiation. At first, various type of complex catalysts were investigated to compare the enhanced photocatalytic potential. It was observed that in order to obtain the removal efficiencies were <TEX>$TiO_2/HAP/Ge$</TEX> > <TEX>$TiO_2/Ge$</TEX> > <TEX>$TiO_2/HAP$</TEX>. The composition of <TEX>$TiO_2/HAP/Ge$</TEX> using a statistical approach based on mixture analysis design, one of response surface method was investigated. The independent variables of <TEX>$TiO_2$</TEX> (<TEX>$X_1$</TEX>), HAP (<TEX>$X_2$</TEX>) and Ge (<TEX>$X_3$</TEX>) which consisted of 6 condition in each variables was set up to determine the effects on LM (<TEX>$Y_1$</TEX>) and TOC (<TEX>$Y_2$</TEX>) degradation. Regression analysis on analysis of variance (ANOVA) showed significant p-value (p < 0.05) and high coefficients for determination value (<TEX>$R^2$</TEX> of <TEX>$Y_1=99.28%$</TEX> and <TEX>$R^2$</TEX> of <TEX>$Y_2=98.91%$</TEX>). Contour plot and response curve showed that the effects of <TEX>$TiO_2/HAP/Ge$</TEX> composition for LM degradation under UV-A irradiation. And the estimated optimal composition for TOC removal (<TEX>$Y_2$</TEX>) were <TEX>$X_1=0.6913$</TEX>, <TEX>$X_2=0.2313$</TEX> and <TEX>$X_3=0.0756$</TEX> by coded value. By comparison with actual applications, the experimental results were found to be in good agreement with the model's predictions, with mean results for LM and TOC removal of 99.2% and 49.3%, respectively." @default.
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- W2032055509 date "2014-01-01" @default.
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- W2032055509 title "A Study on Characteristics of Lincomycin Degradation by Optimized TiO2/HAP/Ge Composite using Mixture Analysis" @default.
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- W2032055509 doi "https://doi.org/10.14481/jkges.2014.15.1.63" @default.
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