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Table 1 Water quality of lake water Index Value Temperature [°C] 10–20 Turbidity [NTU] 4.5–5.5 Hardness [mg-CaCO3/l] 233–250 Alkalinity [mg-CaCO3/l] 121–149 pH 7.32–8.19 CODMn [mg/l] 4.15–5.47 NH3-N [mg/l] 0.75–1.0 UV254 [cm-1] 0.098–0.121 TOC [mg/l] 4.2–6.47 O3 was produced by an ozone generator (Tianning Purification Equipment Manufactory, China) using industrial grade oxygen as the gas source.
Yang, S.H.
Yang, J.

Yang and F.
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[6] Qi-yan Feng, Lai Zhou & Tian-hong Yang.

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Acknowledgments This work was supported by Project Tian-di Science and Technology Co., Ltd.
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