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Fouling characteristics and cleaning strategies of NF membranes for the advanced treatment of antibiotic production wastewater
Wang, Jianxing; Li, Kun; Yu, Dawei; Zhang, Junya; Wei, Yuansong
2017-04-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume24Issue:10Pages:8967-8977
AbstractThe nanofiltration (NF) membrane fouling characteristics and cleaning strategies were investigated through a laboratory-scale NF fouling test treating membrane bioreactor (MBR) effluent and MBR-granular activated carbon (GAC) effluent of an antibiotic production wastewater by DK and NF90 membranes, respectively. Results showed that organic fouling is the main NF membrane fouling for treating both the MBR effluent and MBR-GAC effluent. Soluble microbial by-product (SMP)-like and aromatic protein-like substances were the dominant components in the foulants, whereas humic-like substances had little contribution to the NF fouling. The fouling of DK was more severe than that of NF90. However, foulants respond by UV254 were more easily to foul NF90 membrane. It could get satisfactory effect using combined cleaning of acid (HCl, pH 2.0 similar to 2.5) and alkali (NaOH + 0.3 wt% NaDS, pH 10.0 similar to 10.5). The favorable cleaning strategy is "acid+alkali" for treating MBR-GAC effluent, while it is "alkali+acid" for treating MBR effluent.
Department大气污染控制中心
KeywordNanofiltration Fouling Cleaning Antibiotic Production Wastewater Mbr Mbr-gac
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/39197
Collection大气污染控制中心
Recommended Citation
GB/T 7714
Wang, Jianxing,Li, Kun,Yu, Dawei,et al. Fouling characteristics and cleaning strategies of NF membranes for the advanced treatment of antibiotic production wastewater[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2017,24(10):8967-8977.
APA Wang, Jianxing,Li, Kun,Yu, Dawei,Zhang, Junya,&Wei, Yuansong.(2017).Fouling characteristics and cleaning strategies of NF membranes for the advanced treatment of antibiotic production wastewater.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,24(10),8967-8977.
MLA Wang, Jianxing,et al."Fouling characteristics and cleaning strategies of NF membranes for the advanced treatment of antibiotic production wastewater".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 24.10(2017):8967-8977.
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