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Development of a Short-Cut Combined Magnetic Coagulation-Sequence Batch Membrane Bioreactor for Swine Wastewater Treatment
Chen, Yanlin; Sui, Qianwen; Yu, Dawei; Zheng, Libing; Chen, Meixue; Ritigala, Tharindu; Wei, Yuansong
2021-02
Source PublicationMEMBRANES
Volume11Issue:2Pages:-
AbstractA high concentration of suspended solids (SS) in swine wastewater reduces the efficiency of the biological treatment process. The current study developed a short-cut combined magnetic coagulation (MC)-sequence batch membrane bioreactor (SMBR) process to treat swine wastewater. Compared with the single SMBR process, the combined process successfully achieved similarly high removal efficiencies of chemical oxygen demand (COD), total nitrogen (TN), ammonium nitrogen (NH4+-N), and total phosphorous (TP) of 96.0%, 97.6%, 99.0%, and 69.1%, respectively, at dosages of 0.5 g/L of poly aluminium chloride (PAC), 2 mg/L of polyacrylamide (PAM), and 1 g/L of magnetic seeds in Stage II, and concentrations of TN, COD, and NH4+-N in effluent can meet the discharge standards for pollutants for livestock and poultry breeding (GB18596-2001, China). The nitrogen removal loading (NRL) was increased from 0.21 to 0.28 kg/(m(3)center dot d), and the hydraulic retention time (HRT) was shortened from 5.0 days to 4.3 days. High-throughput sequencing analysis was carried out to investigate microbial community evolution, and the results showed that the relative abundance of ammonia-oxidizing bacteria (AOB) in the SMBR increased from 0.1% without pre-treatment to 1.78% with the pre-treatment of MC.
Department水污染控制实验室
Keywordmagnetic coagulation SMBR nitritation-denitritation TP swine wastewater
WOS Research AreaBiochemistry & Molecular Biology ; Chemistry, Physical ; Engineering, Chemical ; Materials Science, Multidisciplinary ; Polymer Science
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46034
Collection水污染控制实验室
Affiliation1.Chinese Acad Sci, State Key Joint Lab Environm Simulat & Pollut Con, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
2.Chinese Acad Sci, Lab Water Pollut Control Technol, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Jiangxi Acad Sci, Inst Energy, Nanchang 330029, Jiangxi, Peoples R China
Recommended Citation
GB/T 7714
Chen, Yanlin,Sui, Qianwen,Yu, Dawei,et al. Development of a Short-Cut Combined Magnetic Coagulation-Sequence Batch Membrane Bioreactor for Swine Wastewater Treatment[J]. MEMBRANES,2021,11(2):-.
APA Chen, Yanlin.,Sui, Qianwen.,Yu, Dawei.,Zheng, Libing.,Chen, Meixue.,...&Wei, Yuansong.(2021).Development of a Short-Cut Combined Magnetic Coagulation-Sequence Batch Membrane Bioreactor for Swine Wastewater Treatment.MEMBRANES,11(2),-.
MLA Chen, Yanlin,et al."Development of a Short-Cut Combined Magnetic Coagulation-Sequence Batch Membrane Bioreactor for Swine Wastewater Treatment".MEMBRANES 11.2(2021):-.
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