Application of moving bed biofilm reactor- nanofiltration- membrane bioreactor with loose nanofiltration hollow fiber membranes for synthetic roxithromycin-containing wastewater treatment: Long-term performance, membrane fouling and microbial community

被引：11

作者：

Cao, Lei ^{[1
]}

Li, Yuanling ^{[2
]}

Li, Peining ^{[3
]}

Zhang, Xueting ^{[3
]}

Ni, Lei ^{[1
]}

Qi, Li ^{[3
,4
]}

Wen, Haitao ^{[3
,4
]}

Zhang, Xinbo ^{[3
,4
]}

Zhang, Yufeng ^{[3
,4
]}

机构：

[1] Tiangong Univ, Sch Mat Sci & Engn, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China

[2] Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China

[3] Tianjin Chengjian Univ, Sch Environm & Municipal Engn, Tianjin Key Lab Aquat Sci & Technol, Tianjin 300384, Peoples R China

[4] Tianjin Chengjian Univ, Joint Res Ctr Protect Infrastructure Technol & Env, Tianjin 300384, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2022年 / 360卷

关键词：

Moving bed biofilm reactor; nanofiltration; membranebioreactor; Loosenanofiltrationmembrane; Roxithromycin; Removalmechanism; Membranefouling; EXTRACELLULAR POLYMERIC SUBSTANCES; PERSONAL CARE PRODUCTS; REVERSE-OSMOSIS; MACROLIDE ANTIBIOTICS; ACTIVATED-SLUDGE; NF-MBR; REMOVAL; BIOTRANSFORMATION; PHARMACEUTICALS; NITRIFICATION;

D O I：

10.1016/j.biortech.2022.127527

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The present study operated the novel moving bed biofilm reactor-nanofiltration-membrane bioreactor (MBBR-NF-MBR) with loose polyamide NF membranes for the first time to treat roxithromycin (ROX) wastewater. Results showed that both MBBR-NF-MBRs achieved superior COD removal of 98.4% and 97.2% and excellent removal of ROX at 74.1% and 65.5%, respectively. The main membrane fouling mechanism was reversible fouling caused by the combination of abundant polysaccharides, proteins and Ca-P precipitates, which could be effectively removed by acidic cleaning. Sorption and biodegradation were the main removal routes of ROX in MBBR. Partial retention of loose NF membrane contributed to microbial metabolism and increased microbial

引用

页数：12

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