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Received September 15, 2009
Accepted October 13, 2009
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Application of A2O moving-bed biofilm reactors for textile dyeing wastewater treatment
Department of Environmental Engineering, Kyungpook National University, Daegu 702-701, Korea
wshin@mail.knu.ac.kr
Korean Journal of Chemical Engineering, March 2010, 27(3), 893-899(7), 10.1007/s11814-010-0143-5
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Abstract
A three-stage pilot-scale moving-bed biofilm reactor (MBBRs, anaerobic-anaerobic-aerobic in series) was investigated to treat textile dyeing wastewater. Each reactor was filled with 20% (v/v) of polyurethane-activated carbon (PU-AC) carrier for biological treatment. To determine the optimum operating conditions of MBBRs, the effect of PUAC carrier, its packing percentage (v/v%) and pH control on COD removal were analyzed by batch experiments. The MBBRs were inoculated with activated sludge obtained from a local dyeing wastewater treatment plant. The MBBR process removed 86% of COD and 50% of color (influent COD=608 mg/L and color=553 PtCo unit) using relatively low MLSS concentration (average 3,000 mg/L in biomass attached to PU-AC carrier) and hydraulic retention time (HRT=44 hr). The MBBR process showed a promising potential for dyeing wastewater treatment.
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References
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Φdgaard H, Rusten B, Westrum T, Water Sci. Technol., 29, 157 (1994)
Panswad T, Iamsamer K, Anotai J, Bioresour. Technol., 76(2), 151 (2001)
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Miqueleto AM, Rodriguez JAD, Ratusznei SM, Foresti E, Zaiat M, Water Res., 39, 2376 (2005)
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McSwain BS, Irvine RL, Hausner M, Wilderer PA, Appl. Environ. Microbiol., 71, 1051 (2005)
Flemming HC, Wingender J, Water Sci. Technol., 43, 1 (2001)
Ribeiro R, Varesche MBA, Foresti E, Zaiat M, J. Environ. Manage., 74, 187 (2005)
Varesche MB, Zaiat M, Vieira LG, Vazoller RF, Foresti E, Appl. Microbiol. Biotechnol., 48(4), 534 (1997)
Silva AJ, Hirasawa JS, Varesche MB, Foresti E, Zaiat M, Anaerobe, 12, 93 (2006)
Shin DH, Shin WS, Kim YH, Han MH, Choi SJ, Water Sci. Technol., 54, 181 (2006)
Gijzen HJ, Kansiime F, Water Sci. Technol., 34, 509 (1996)
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Liu H, Fang HHP, J. Biotechnol., 95, 249 (2002)
Frolund B, Griebe T, Nielsen PH, Appl. Microbiol. Biotechnol., 43(4), 755 (1995)
Nicolaou M, Hadjivassilis I, Water Sci. Technol., 25, 31 (1992)
Lin SH, Peng CF, Water Res., 30, 587 (1996)
Park YK, Lee CH, Water Sci. Technol., 34, 193 (1996)
Kim S, Park C, Kim TH, Lee J, Kim SW, J. Biosci. Bioeng., 95(1), 102 (2003)
