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Endogenous respiration process analysis between aMBR and UV/O-3-aMBR for polluted surface water treatment
Li, Lu1; Song, Kang1; Visvanathan, Chettiyappan2
2019-12-01
Source PublicationJOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA
ISSN0003-7214
Volume68Issue:8Pages:793-802
Abstract

The microbial endogenous respiration process is very important in biological water treatment processes. This study analyzed and compared the endogenous respiration process in an attached growth membrane bioreactor (aMBR) system and a UV/O-3 integrated aMBR system (UV/O-3-aMBR) in treating polluted surface water with CODMn around 10 mg/L. The endogenous respiration activity of heterotrophic microbes and autotrophic nitrifiers activity in both systems was analyzed and compared. Results show that heterotrophic bacteria and autotrophic nitrifiers enter endogenous respiration at 6 h aeration in an aMBR and 0 h in a UV/O-3-aMBR system. Biomass amount on PVA-gel in aMBR was higher than in UV/O-3-aMBR in terms of specific respiration rates SOURt, SOURH, and SOURA. Substrate remained on PVA-gel in the aMBR system, but no substrate remained on PVA-gel in the UV/O-3-aMBR system. Higher species of microbes, including recoverable and irrecoverable components, existed in the aMBR system as compared to the UV/O-3-aMBR system. The UV/O-3-aMBR system could make full use of the advanced oxidation process (AOP) and biological process, leading to a higher treatment performance, and has the potential to mitigate total energy demand. Thus, the UV/O-3-aMBR system can be used as a new technology for treating polluted surface water with the co-contribution of biological process and AOP treatment.

Keywordattached growth membrane bioreactor (aMBR) endogenous respiration polluted surface water respiration map UV O-3-aMBR
DOI10.2166/aqua.2019.081
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Water Resources
WOS SubjectEngineering, Civil ; Water Resources
WOS IDWOS:000506629500015
WOS KeywordACTIVATED-SLUDGE ; WASTE-WATER ; HETEROTROPHIC BIOMASS ; MEMBRANE BIOREACTOR ; PERFORMANCE ; STRATEGIES ; MANAGEMENT ; BACTERIA ; AMMONIA
PublisherIWA PUBLISHING
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35457
Collection水环境工程研究中心_期刊论文
Corresponding AuthorSong, Kang
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Asian Inst Technol, Sch Environm Resources & Dev, Pathum Thani 12120, Thailand
Recommended Citation
GB/T 7714
Li, Lu,Song, Kang,Visvanathan, Chettiyappan. Endogenous respiration process analysis between aMBR and UV/O-3-aMBR for polluted surface water treatment[J]. JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA,2019,68(8):793-802.
APA Li, Lu,Song, Kang,&Visvanathan, Chettiyappan.(2019).Endogenous respiration process analysis between aMBR and UV/O-3-aMBR for polluted surface water treatment.JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA,68(8),793-802.
MLA Li, Lu,et al."Endogenous respiration process analysis between aMBR and UV/O-3-aMBR for polluted surface water treatment".JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA 68.8(2019):793-802.
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