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《Transactions of Beijing Institute of Technology》 2009-10
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A Study on the Inactivation of Microcystis Aeruginosa by Manganese-Copper Composite Algaecide

LI Xing,ZHAO Liang,YANG Yan-ling(Beijing Key Laboratory of Water Quality Science and Water Environment Recovery Engineering,Beijing University of Technology,Beijing 100124,China)  
Manganese-copper composite(MCC) algaecide was prepared by permanganate and acid-soluble copper chloride.The effectiveness of MCC on microcystis aeruginosa removal and the effective period of MCC were studied,pH influence on the water sample was inspected,and the feasibility of MCC as a new algaecide was discussed.The results showed that the optimum ratio of copper reagent A and manganese reagent B was 0.5~1.5∶1.0.Removal rate of turbidity,OD420 and chlorophyll a were 67.82%,77.98% and 97.04% respectively during 10 days of MCC dosing.Turbidity and chlorophyll a were reduced to 6.16NTU and 1.048 μg · L-1,with removal rate of 77.4% and 99.48% after MCC dosing of 16 days.pH value of water sample was reduced with increasing ratio of copper reagent within MCC,pH value is 7~8 at the best composited ratio.
【Fund】: 国家自然科学基金资助项目(50778003);; 国家科技重大专项资助项目(2008ZX07421-002)
【CateGory Index】: X524
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