Performances of anaerobic and aerobic membrane bioreactors for the treatment of synthetic textile wastewater

被引:105
|
作者
Yurtsever, Adem [1 ]
Sahinkaya, Erkan [2 ]
Aktas, Ozgur [2 ]
Ucar, Deniz [3 ]
Cinar, Ozer [1 ]
Wang, Zhiwei [4 ]
机构
[1] Yildiz Tekn Univ, Dept Environm Engn, TR-34220 Istanbul, Turkey
[2] Istanbul Medeniyet Univ, Bioengn Dept, TR-34700 Istanbul, Turkey
[3] Harran Univ, Dept Environm Engn, TR-63300 Osmanbey, Sanliurfa, Turkey
[4] Tongji Univ, Sch Environm Sci & Engn, Shanghai 200092, Peoples R China
关键词
Anaerobic membrane bioreactor; Color removal; Fouling; Membrane bioreactor; Textile industry wastewater; SOLUBLE MICROBIAL PRODUCTS; SUBCRITICAL FILTRATION CONDITIONS; CRITICAL FLUX; TREATMENT SYSTEMS; AZO-DYE; REACTOR; MBR; DECOLORIZATION; CHEMOSTATS; REUSE;
D O I
10.1016/j.biortech.2015.06.024
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
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. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:564 / 573
页数:10
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