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water-lifting and aeration system improves water quality of drinking water reservoirs: Biological mechanism and field application

引用

Journal of Environmental Sciences 2023年第7期129卷 174-188页

作者： Liqing Kou Tinglin Huang Haihan Zhang Kai Li Fengyao Hua Cheng Huang Xiang Liu Fan Si Shaanxi Key Laboratory of Environmental Engineering Xi’an University of Architecture and TechnologyXi’an 710055China Key Laboratory of Northwest water Resource Environment and EcologyMOEXi’an University of Architecture and TechnologyXi’an 710055China Collaborative Innovation Center of water Pollution Control and water Quality Security Assurance of Shaanxi Province Xi’an 710055China

Reservoirs have been served as the major source of drinking water for dozens of *** water quality safety of large andmedium reservoirs increasingly becomes the focus of public *** test has proved that water-lifting and aeration system(WLAS)is a piece of effective equipment for in situ control and improvement of water ***,its intrinsic bioremediation mechanism,especially for nitrogen removal,still lacks in-depth ***,the dynamic changes inwater quality parameters,carbon source metabolism,species compositions and co-occurrence patterns ofmicrobial communitieswere systematically studied in Jinpen Reservoir within a wholeWLAS running *** operation could efficiently reduce organic carbon(19.77%),nitrogen(21.55%)and phosphorus(65.60%),*** analysis revealed that the microbialmetabolic capacitieswere enhanced viaWLAS operation,especially in ***-throughput sequencing demonstrated that WLAS operation altered the diversity and distributions of microbial communities in the source *** most dominant genus accountable for aerobic denitrification was identified as ***,network analysis revealed that microorganisms interacted more closely through WLAS ***-reduction potential(ORP)and total nitrogen(TN)were regarded as the two main physicochemical parameters influencing microbial community structures,as confirmed by redundancy analysis(RDA)and Mantel ***,the results will provide a scientific basis and an effective way for strengthening the in-situ bioremediation of micro-polluted source water.

关键词： water-lifting and aeration system Drinking water reservoir Co-occurrence network Biological mechanism

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