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Biological Degradation and Chemical Oxidation Characteristics of Coke-Oven Wastewater |
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| Authors: | Lim Byung-Ran Hu Hong-Ying Fujie Koichi |
| Institution: | 1. Future Technology Research Division, Korea Institute of Science and Technology, Cheongryang, Seoul, Korea 2. ESPC, Department of Environmental Science and Engineering, Tsinghua University, Beijing, China (author for correspondence 3. Department of Ecological Engineering, Toyohashi University of Technology, Hibarigaoka Tempaku-cho, Toyohashi, Japan |
| Abstract: | Biological and chemical oxidation characteristics of two kinds ofcoke-oven wastewaters, A and B, discharged from a conventional batch coke-oven and a newly developed continuous coke-oven, respectively, were studied for selecting effective treatment processes of the wastewaters. Pollutants contained in Wastewater-A could be removed by biological process with a sufficient effluent quality, while those which existed in Wastewater-Bcould not be satisfactorily removed. Microbial community structure investigation using the respiratory quinone profile clarified that Pseudomonas putida (dominant quinone: ubiquinone-9) was a dominant species in the biological treatmentsystem. The refractory organic pollutants, existed in Wastewater-B,were mineralized more effectively by Fenton's reagent than by ozone. A wastewater treatment process, in which Fenton's oxidation is followed by a biological treatment, was proposed forthe treatment of Wastewater-B based on the experimental results. |
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