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Coupling anammox with denitrification in a full-scale combined biological nitrogen removal process for swine wastewater treatment
Chen, Yanlin; Zheng, Rui; Sui, Qianwen; Ritigala, Tharindu; Wei, Yuansong; Cheng, Xiangqian; Ren, Jiehui; Yu, Dawei; Chen, Meixue; Wang, Tuo
2021-06
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume329Pages:-
AbstractIn order to enhance nitrogen removal through anammox process in the full-scale swine wastewater treatment plant, an innovative regulation strategy of nitrate-based carbon dosage and intermittent aeration was developed to apply the combined biological nitrogen removal process in a full scale anaerobic-anoxic?oxic (A2/O) system. TN removal efficiency reached at 65.5 ? 6.0% in Phase 1 with decreasing external carbon dosage in influent due to the reduction of return nitrate concentration, and it increased to 83.5 ? 6.7% when intermittent aeration was adopted in oxic zone and external carbon source was stopped adding into influent in Phase 2. As a result, the energy consumption for the swine wastewater treatment decreased from 1.93 to 0.9 kW h/m3 and 4.18 to 2.57 kW h/kg N, respectively. Microbial community analysis revealed that the average abundances of Candidatus Brocadia increased from 0.76% to 2.43% and removal of TN through anammox increased from 39% to 77%.
Department水污染控制实验室
KeywordAnammox Denitrification Combined biological nitrogen removal DO
WOS Research AreaAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46031
Collection水污染控制实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Lab Water Pollut Control Technol, Beijing 100085, Peoples R China
4.Anping Hongjia Environm Protect Technol Co Ltd, Shijiazhuang 053600, Hebei, Peoples R China
Recommended Citation
GB/T 7714
Chen, Yanlin,Zheng, Rui,Sui, Qianwen,et al. Coupling anammox with denitrification in a full-scale combined biological nitrogen removal process for swine wastewater treatment[J]. BIORESOURCE TECHNOLOGY,2021,329:-.
APA Chen, Yanlin.,Zheng, Rui.,Sui, Qianwen.,Ritigala, Tharindu.,Wei, Yuansong.,...&Wang, Tuo.(2021).Coupling anammox with denitrification in a full-scale combined biological nitrogen removal process for swine wastewater treatment.BIORESOURCE TECHNOLOGY,329,-.
MLA Chen, Yanlin,et al."Coupling anammox with denitrification in a full-scale combined biological nitrogen removal process for swine wastewater treatment".BIORESOURCE TECHNOLOGY 329(2021):-.
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