title: Performances of anaerobic and aerobic membrane bioreactors for the treatment of synthetic textile wastewater.
abstract: This study aims at comparatively evaluating anaerobic and aerobic MBRs for the treatment of azo-dye containing synthetic wastewater. Also, the filtration performances of AnMBR and AeMBR were compared under similar operating conditions. In both MBRs, high COD removal efficiencies were observed. Although almost complete color removal was observed in AnMBR, only partial (30-50%) color removal was achieved in AeMBR. AnMBR was successfully operated up to 9 L/(m(2)h) (LMH) and no chemical cleaning was required at 4.5 LMH for around 50 days. AeMBR was operated successfully up to 20 LMH. The filtration resistance of AnMBR was generally higher compared to AeMBR although reversible fouling rates were comparable. In both MBRs, offline chemical cleaning with NaOCl and sulfuric acid almost completely removed irreversible fouling and the resistances of chemically cleaned membranes were close to those of new membranes.
authors.affiliation: Department of Environmental Engineering, Yildiz Technical University, 34220 Istanbul, Turkey.
authors.forename: Adem
authors.initials: A
authors.lastname: Yurtsever
authors.affiliation: Bioengineering Department, Istanbul Medeniyet University, Goztepe, 34700 Istanbul, Turkey. Electronic address: erkansahinkaya@gmail.com.
authors.forename: Erkan
authors.initials: E
authors.lastname: Sahinkaya
authors.affiliation: Bioengineering Department, Istanbul Medeniyet University, Goztepe, 34700 Istanbul, Turkey.
authors.forename: Özgür
authors.initials: Ö
authors.lastname: Aktaş
authors.affiliation: Department of Environmental Engineering, Harran University, 63300 Osmanbey, Sanliurfa, Turkey.
authors.forename: Deniz
authors.initials: D
authors.lastname: Uçar
authors.affiliation: Department of Environmental Engineering, Yildiz Technical University, 34220 Istanbul, Turkey.
authors.forename: Özer
authors.initials: Ö
authors.lastname: Çınar
authors.affiliation: School of Environmental Science and Engineering, Tongji University, Shanghai, PR China.
authors.forename: Zhiwei
authors.initials: Z
authors.lastname: Wang
mesh_terms: D000332:Aerobiosis / Q000502:physiology; D000693:Anaerobiosis / Q000502:physiology; D001391:Azo Compounds / Q000302:isolation & purification / Q000378:metabolism*; D019149:Bioreactors / Q000382:microbiology*; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008567:Membranes, Artificial; D012722:Sewage / Q000382:microbiology; D013783:Textile Industry; D013784:Textiles / Q000382:microbiology; D014462:Ultrafiltration / Q000295:instrumentation; D062065:Wastewater / Q000382:microbiology*; D014874:Water Pollutants, Chemical / Q000302:isolation & purification / Q000378:metabolism*; D018508:Water Purification / Q000295:instrumentation*
chemical_list: D001391:Azo Compounds; D008567:Membranes, Artificial; D012722:Sewage; D062065:Wastewater; D014874:Water Pollutants, Chemical
keywords: Anaerobic membrane bioreactor; Color removal; Fouling; Membrane bioreactor; Textile industry wastewater