Monitoring of Chemical Agents, which Potentially Affect Human Health, in Effluents on Industrial Sources.
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概要
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An investigation has been made to monitor industrial effluent sources that might discharge 11 chemical agents which potentially affect human health: nickel, boron, antimony, molybdenum, toluene, xylene, etc.<BR>Concentrations of these chemicals in effluents vary widely from different industrial sources. Nickel level exceeded 50 times of the guideline value of environmental water at more than 30% of the industrial effluent sources. Sometimes boron, antimony, molybdenum, toluene and xylene are detected at more than 10 times of the guideline values of environmental water (the expected effluent standards) . Levels of chloroform and others are lower than 10 times of the guideline value of environmental water; sometimes they are not detected in the effluents.<BR>Coagulation-sedimentation methods are effective in removing nickel from the effluents though with substantially variable treatment efficiencies. Reduction and activated carbon adsorption method are effective in the treatments of boron, toluene and xylene, respectively.
- 日本環境化学会の論文
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