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Issue
Korean Journal of Chemical Engineering,
Vol.27, No.3, 893-899, 2010
Application of A2O moving-bed biofilm reactors for textile dyeing wastewater treatment
Park HO, Oh S, Bade R, Shin WS
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.
Keywords: Moving-bed Biofilm Reactor (MBBR); Carrier; Decolorization; Dyeing Wastewater; Extracellular Polymeric Substances (EPS)
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[Cited By]
  1. Ozturk A, Aygun A, Nas B, Korean Journal of Chemical Engineering, 36(2), 248, 2019
  2. Aygun A, Nas B, Sevimli MF, Korean Journal of Chemical Engineering, 36(9), 1441, 2019
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