Application of fungal moving-bed biofilm reactors (MBBRs) and chemical coagulation for dyeing wastewater treatment

Hye Ok Park; Sanghwa Oh; Rabindra Bade; Won Sik Shin

doi:10.1007/s12205-011-0997-z

Application of fungal moving-bed biofilm reactors (MBBRs) and chemical coagulation for dyeing wastewater treatment

Hye Ok Park, Sanghwa Oh, Rabindra Bade, Won Sik Shin

Kyungpook National University

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A combined process consisting of Moving-Bed Biofilm Reactors (MBBRs) with Polyurethane-Dyeing Sludge Carbonaceous Material (PU-DSCM) foam and chemical coagulation was investigated for dyeing wastewater treatment. The pilot-scale MBBR system was composed of two aerobic MBBRs in series. Each reactor was filled with 20% (v/v) of Polyurethane-Dye Sludge Carbonaceous Material foam (PU-DSCM foam) inoculated with a white-rot fungus, Phanerochaete chrysosporium, for biological treatment followed by chemical coagulation with FeCl₂ or alum. In the MBBR process, 79% of COD and 54% of color (influent COD = 539 mg/L and color = 622 PtCo units) were removed at MLSS concentration of 2900 mg/L attached to the PU-DSCM carrier and 48 hr of short Hydraulic Retention Time (HRT) at steady state. The biologically treated dyeing wastewater was subjected to chemical coagulation. After coagulation with alum at the optimum dosage (1. 55 mg alum/mg COD), 95. 7% of COD and 73. 4% of color were removed in overall. The combined process of fungal MBBRs and chemical coagulation has promising potential for dyeing wastewater treatment.

Original language	English
Pages (from-to)	453-461
Number of pages	9
Journal	KSCE Journal of Civil Engineering
Volume	15
Issue number	3
DOIs	https://doi.org/10.1007/s12205-011-0997-z
State	Published - Mar 2011

Keywords

Decolorization
Dyeing wastewater
Extracellular Polymeric Substances (EPS)
Moving-bed biofilm reactor
White-rot fungi

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title = "Application of fungal moving-bed biofilm reactors (MBBRs) and chemical coagulation for dyeing wastewater treatment",

abstract = "A combined process consisting of Moving-Bed Biofilm Reactors (MBBRs) with Polyurethane-Dyeing Sludge Carbonaceous Material (PU-DSCM) foam and chemical coagulation was investigated for dyeing wastewater treatment. The pilot-scale MBBR system was composed of two aerobic MBBRs in series. Each reactor was filled with 20% (v/v) of Polyurethane-Dye Sludge Carbonaceous Material foam (PU-DSCM foam) inoculated with a white-rot fungus, Phanerochaete chrysosporium, for biological treatment followed by chemical coagulation with FeCl2 or alum. In the MBBR process, 79% of COD and 54% of color (influent COD = 539 mg/L and color = 622 PtCo units) were removed at MLSS concentration of 2900 mg/L attached to the PU-DSCM carrier and 48 hr of short Hydraulic Retention Time (HRT) at steady state. The biologically treated dyeing wastewater was subjected to chemical coagulation. After coagulation with alum at the optimum dosage (1. 55 mg alum/mg COD), 95. 7% of COD and 73. 4% of color were removed in overall. The combined process of fungal MBBRs and chemical coagulation has promising potential for dyeing wastewater treatment.",

keywords = "Decolorization, Dyeing wastewater, Extracellular Polymeric Substances (EPS), Moving-bed biofilm reactor, White-rot fungi",

author = "Park, {Hye Ok} and Sanghwa Oh and Rabindra Bade and Shin, {Won Sik}",

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N2 - A combined process consisting of Moving-Bed Biofilm Reactors (MBBRs) with Polyurethane-Dyeing Sludge Carbonaceous Material (PU-DSCM) foam and chemical coagulation was investigated for dyeing wastewater treatment. The pilot-scale MBBR system was composed of two aerobic MBBRs in series. Each reactor was filled with 20% (v/v) of Polyurethane-Dye Sludge Carbonaceous Material foam (PU-DSCM foam) inoculated with a white-rot fungus, Phanerochaete chrysosporium, for biological treatment followed by chemical coagulation with FeCl2 or alum. In the MBBR process, 79% of COD and 54% of color (influent COD = 539 mg/L and color = 622 PtCo units) were removed at MLSS concentration of 2900 mg/L attached to the PU-DSCM carrier and 48 hr of short Hydraulic Retention Time (HRT) at steady state. The biologically treated dyeing wastewater was subjected to chemical coagulation. After coagulation with alum at the optimum dosage (1. 55 mg alum/mg COD), 95. 7% of COD and 73. 4% of color were removed in overall. The combined process of fungal MBBRs and chemical coagulation has promising potential for dyeing wastewater treatment.

AB - A combined process consisting of Moving-Bed Biofilm Reactors (MBBRs) with Polyurethane-Dyeing Sludge Carbonaceous Material (PU-DSCM) foam and chemical coagulation was investigated for dyeing wastewater treatment. The pilot-scale MBBR system was composed of two aerobic MBBRs in series. Each reactor was filled with 20% (v/v) of Polyurethane-Dye Sludge Carbonaceous Material foam (PU-DSCM foam) inoculated with a white-rot fungus, Phanerochaete chrysosporium, for biological treatment followed by chemical coagulation with FeCl2 or alum. In the MBBR process, 79% of COD and 54% of color (influent COD = 539 mg/L and color = 622 PtCo units) were removed at MLSS concentration of 2900 mg/L attached to the PU-DSCM carrier and 48 hr of short Hydraulic Retention Time (HRT) at steady state. The biologically treated dyeing wastewater was subjected to chemical coagulation. After coagulation with alum at the optimum dosage (1. 55 mg alum/mg COD), 95. 7% of COD and 73. 4% of color were removed in overall. The combined process of fungal MBBRs and chemical coagulation has promising potential for dyeing wastewater treatment.

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Application of fungal moving-bed biofilm reactors (MBBRs) and chemical coagulation for dyeing wastewater treatment

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