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KMID : 0382420020280030055
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Korean Journal of Environmental Health Society
2002 Volume.28 No. 3 p.55 ~ p.63
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Treatment of Textile Wastewater by Anaerobic Sludge and Aerobic Fixed-Bed Biofilm Reactor
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Park Young-Seek
Moon Jung-Hyun
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Abstract
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This study was carried out to treat textile wastewater using anaerobic sludge and aerobic fixed-bed biofilm reactor immobilized with Bacillus sp. dominated activated sludge(Bacillus sp. fraction: 81.5%). The range of influent con-centration of SCOD and soluble color were 1032-1507 mg/I, and 1239-1854 degree, respectively. Continuous treatment experiments were perfonned with variation of textile wastewater ratio at a same HRT. When textile wastewater ratio was 100%(HRf : 24 hours), The removal efficiency of SCOD and soluble color were 88% and 78%, respectively. When compare aerobic reactor of this study that was immobilized with Bacillus sp. dominated activated sludge to other study that was immobilized with activated sludge, SCOD and soluble color removal efficiency of this study showed a linle higher efficiency than immobilized with activated sludge. The Bacillus sp. fraction of initial condition was 81.5%, but the fraction after operation was decreased to 31.8%.
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