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KMID : 0382420010270030011
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Korean Journal of Environmental Health Society
2001 Volume.27 No. 3 p.11 ~ p.20
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Biological Treatment of Textile Wastewater by Anaerobic-Aerobic Reactor System
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Park Young-Seek
Ahn Kab-Hwan
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Abstract
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An anaerobic sludge-aerobic fixed-bed biofilm(packed with ceramic support carrier of 1 inch size) reactor system was built up to treat textile wastewater. The efficiency of reactor system was examined by determining the effects of textile wastewater ratio(from 25% to 100% at HRT 24 h). The influent range of SCOD concentration and color were 1,036∼1,357 mg/L, and 1,487∼1,853 degree, respectively. When textile wastewater ratio was 100% and hydraulic retention time was 24 hours, SCOD removal efficiency by the anaerobic stage were 39.2% and the removal efficiency of the whole system were 75.8%. Color removal efficiency by the anaerobic stage were 45.4%(soluble color), and the removal efficiency of the whole system were 70.2%. In the A/A reactor system, the aerobic stage played an important role in removing both color and COD as well as anaerobic stage.
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