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Construction and application of an electrocoagulation and filtration linkage control system in a recirculating aquaculture system
Xu, Jianping; Qiu, Tianlong; Chen, Fudi; Zhou, Li; Sun, Jianming; Du, Yishuai1
2021-12-01
发表期刊JOURNAL OF WATER PROCESS ENGINEERING
ISSN2214-7144
卷号44页码:10
通讯作者Du, Yishuai(duyishuai@qdio.ac.cn)
摘要Total suspended solids (TSS) are the major factors that reduce water quality in a recirculating aquaculture system (RAS). In the present study, electrocoagulation (EC) was used for the first time to increase the particle size of TSS in RAS and improve the filtration efficiency of the microscreen drum filter (MDF) without reducing the filtration pore size. When the aquaculture water was treated using an electrocoagulation diameter increasing reactor (EDIR) for 2 min, with current density at 50 A/m(2) and influent flow at 300 L/h, the D50 of TSS increased by 86.43%. An electrocoagulation diameter increasing reactor and microscreen drum filter (EDIR-MDF) linkage control system was constructed, and its application in the RAS of Litopenaeus vannamei was investigated. The working principle of the EDIR-MDF linkage control system is that the output current of EDIR (J(EDIR)) was feedback controlled by the backwashing interval period of MDF (T-MDF). Results showed that the EDIR-MDF linkage control system increased the average removal efficiency of RAS for TSS, chemical oxygen demand (COD), ammonia, and nitrite by 24.07%, 24.30%, 8.94%, and 1.39%, respectively, and resulted in average energy consumption and anode loss of EDIR of 2.38 kWh/d (1.68 RMB/d) and 370 g/d (2.22 RMB/d).
关键词Recirculating aquaculture system Electrocoagulation Microscreen drum filter Water treatment Energy consumption
DOI10.1016/j.jwpe.2021.102379
收录类别SCI
语种英语
资助项目National Key Research and Development Program of China[2019YFD0900502] ; Science and Technology Major Project of Guangxi[AA17204094-3] ; Key Research and Development Program of Shandong Province[2019GHY112004] ; China Postdoctoral Science Foundation[2021 M693212]
WOS研究方向Engineering ; Water Resources
WOS类目Engineering, Environmental ; Engineering, Chemical ; Water Resources
WOS记录号WOS:000712534200005
出版者ELSEVIER
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/177153
专题实验海洋生物学重点实验室
通讯作者Du, Yishuai
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
通讯作者单位中国科学院海洋研究所
推荐引用方式
GB/T 7714
Xu, Jianping,Qiu, Tianlong,Chen, Fudi,et al. Construction and application of an electrocoagulation and filtration linkage control system in a recirculating aquaculture system[J]. JOURNAL OF WATER PROCESS ENGINEERING,2021,44:10.
APA Xu, Jianping,Qiu, Tianlong,Chen, Fudi,Zhou, Li,Sun, Jianming,&Du, Yishuai.(2021).Construction and application of an electrocoagulation and filtration linkage control system in a recirculating aquaculture system.JOURNAL OF WATER PROCESS ENGINEERING,44,10.
MLA Xu, Jianping,et al."Construction and application of an electrocoagulation and filtration linkage control system in a recirculating aquaculture system".JOURNAL OF WATER PROCESS ENGINEERING 44(2021):10.
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