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Cu2+, Al3+, Zn2+이 활성슬러지에 미치는 저해영향 평가
김창규 ( Chang Gyu Kim ),김요용 ( Yo Yong Kim ),박익범 ( Ik Beom Park ),송진호 ( Jin Ho Song ),남우경 ( Woo Kyong Nam ),한송희 ( Song Hee Han ),김복준 ( Bok Jun Kim ),오조교 ( Jo Gyo Oh ) 한국물환경학회 2015 한국물환경학회지 Vol.31 No.2
In this study, the inhibitory effect of toxic metals was investigated on the activated sludge of the municipal sewage treatment plant. The allowable concentration of toxic metals was also estimated for the stable operation of the biological treatment process. The single and mixture toxicity of Cu2+, Al3+ and Zn2+ were evaluated for the activated sludge microorganisms. As a result, nitrifying microorganisms were more susceptible than heterotrophic microorganisms. IC10 (Inhibition Concentration of 10%) of Cu2+, Al3+ and Zn2+ for the nitrifying microorganisms was 3 mg/L, 7 mg/L and 25 mg/L, respectively. The mixture toxicity showed three times more sensitive than the single toxicity. The concentrations of Cu2+, Al3+ and Zn2+ to minimize the inhibitory effect on organic matter removal and nitrification in batch experiments were found to be 1.3 mg/L, 2.5 mg/L and 6.3 mg/L.
Cu<sup>2+</sup>, Al<sup>3+</sup>, Zn<sup>2+</sup>이 활성슬러지에 미치는 저해영향 평가
김창규,김요용,박익범,송진호,남우경,한송희,김복준,오조교,Kim, Chang-Gyu,Kim, Yo-Yong,Park, Ik-Beom,Song, Jin-Ho,Nam, Woo-Kyong,Han, Song-Hee,Kim, Bok-Jun,Oh, Jo-Gyo 한국물환경학회 2015 한국물환경학회지 Vol.31 No.2
In this study, the inhibitory effect of toxic metals was investigated on the activated sludge of the municipal sewage treatment plant. The allowable concentration of toxic metals was also estimated for the stable operation of the biological treatment process. The single and mixture toxicity of $Cu^{2+}$, $Al^{3+}$ and $Zn^{2+}$ were evaluated for the activated sludge microorganisms. As a result, nitrifying microorganisms were more susceptible than heterotrophic microorganisms. $IC_{10}$ (Inhibition Concentration of 10%) of $Cu^{2+}$, $Al^{3+}$ and $Zn^{2+}$ for the nitrifying microorganisms was 3 mg/L, 7 mg/L and 25 mg/L, respectively. The mixture toxicity showed three times more sensitive than the single toxicity. The concentrations of $Cu^{2+}$, $Al^{3+}$ and $Zn^{2+}$ to minimize the inhibitory effect on organic matter removal and nitrification in batch experiments were found to be 1.3 mg/L, 2.5 mg/L and 6.3 mg/L.
P-44 : 경기도내 호소의 수질변화특성에 관한 조사 연구
송진호 ( Jin Ho Song ),정주용 ( Ju Yong Jeong ),황선민 ( Sun Min Hwang ),남우경 ( Woo Kyong Nam ),권상조 ( Sang Jo Kwon ),김복준 ( Bok Jun Kim ),우정식 ( Jung Sik Woo ),조덕희 ( Deok Hee Cho ),오조교 ( Jo Gyo Oh ),이정복 ( Jeong B 한국물환경학회(구 한국수질보전학회) 2013 한국물환경학회·대한상하수도학회 공동 춘계학술발표회 Vol.2013 No.-