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Elucidating salinity adaptation and shock loading on denitrification performance: Focusing on microbial community shift and carbon source evaluation
Zhang, Zengshuai1; Guo, Yiding1; Guo, Liang1,2,3; Hu, Fawen4; Zhao, Yangguo1; Jin, Chunji1; She, Zonglian1; Gao, Mengchun1; Wang, Guangce5
2020-06-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume305Pages:10
Corresponding AuthorGuo, Liang(geletu@ouc.edu.cn)
AbstractTo understand the denitrification efficiency and microbial community shift with increasing salinity in salinity adaptation and shock loading process, nitrate (NO3--N), nitrite (NO2--N) and chemical oxygen demand (COD) removal efficiencies were monitored feeding acetate and primary sludge fermentation liquid. During adaptation process, salinity had little effect on NO3--N removal efficiency (> 99.0%) with acetate-fed, while for fermentation liquid-fed, it decreased to around 97% at high salinity (> 2.5%). Effluent NO2--N was lower than 0.1 mg/L, though obvious fluctuation of NO2--N was observed with fermentation liquid-fed when salinity change. During shock loading process, denitrification process all had slight decrease when the salinity abruptly increased to 5.0%. Traditional denitrifier of Thauera was the dominant genus, and a specialized microbial community of Azoarcus in salinity adaptation and Paracoccus in shock loading for denitrification showed high salinity tolerant. Meanwhile, microbial diversity was enriched with fermentation liquid-fed at high salinity condition.
KeywordDenitrification Salinity adaptation Salinity shock loading Carbon source Microbial community
DOI10.1016/j.biortech.2020.123030
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of Shandong[ZR2017MEE067] ; Fundamental Research Funds for the Central Universities[201964005] ; Open Fund of Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology[LMEES201805] ; OUC-AU joint projects
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000522033100017
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167106
Collection实验海洋生物学重点实验室
Corresponding AuthorGuo, Liang
Affiliation1.Ocean Univ China, Coll Environm Sci & Engn, Qingdao 266100, Peoples R China
2.Ocean Univ China, Key Lab Marine Environm & Ecol, Minist Educatin, Qingdao 266100, Peoples R China
3.Shandong Prov Key Lab Marine Environm & Geol Engn, Qingdao 266100, Peoples R China
4.Marine Biol Inst Shandong Prov, Qingdao 266100, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zengshuai,Guo, Yiding,Guo, Liang,et al. Elucidating salinity adaptation and shock loading on denitrification performance: Focusing on microbial community shift and carbon source evaluation[J]. BIORESOURCE TECHNOLOGY,2020,305:10.
APA Zhang, Zengshuai.,Guo, Yiding.,Guo, Liang.,Hu, Fawen.,Zhao, Yangguo.,...&Wang, Guangce.(2020).Elucidating salinity adaptation and shock loading on denitrification performance: Focusing on microbial community shift and carbon source evaluation.BIORESOURCE TECHNOLOGY,305,10.
MLA Zhang, Zengshuai,et al."Elucidating salinity adaptation and shock loading on denitrification performance: Focusing on microbial community shift and carbon source evaluation".BIORESOURCE TECHNOLOGY 305(2020):10.
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