Enhancing the Performance of the Electrocoagulation-Filtration System Treating Mariculture Tailwaters by Using Alternating Pulse Current: Effects of Current Density and Current Conversion Period

doi:10.3390/w14081181

IOCAS-IR > 实验海洋生物学重点实验室

	Enhancing the Performance of the Electrocoagulation-Filtration System Treating Mariculture Tailwaters by Using Alternating Pulse Current: Effects of Current Density and Current Conversion Period
	Xu, Jianping 1,2; Qiu, Tianlong1,2 ; Chen, Fudi1,2 ; Sun, Ming1,2,3 ; Zhou, Li 1,2; Sun, Jianming 1,2; Du, Yishuai 1,2
	2022-04-01
发表期刊	WATER
卷号	14 期号:8 页码:16
通讯作者	Sun, Jianming([email protected]) ; Du, Yishuai([email protected])
摘要	Electrocoagulation (EC) is an environmentally friendly and effective water treatment technique. It has been recently applied in combination with a filtration process. This study investigated the effects of an alternating pulse current (APC) on the electrodes, treatment efficiency, and energy consumption of an EC-filtration system during the treatment of mariculture tailwaters, from the aspects of current density and current conversion period (CCP), to generate ideas for improving the performance of the system. Results showed that using direct current (DC) would aggravate the electrode passivation, resulting in many white insoluble substances covering the surface of the electrodes. Moreover, the electrode passivation was more intense at a higher current density and longer system operation time (SOT). Significantly, the electrode weight increased by 1546.67 +/- 54.50 mg when the system was operated for 90 min under DC at a current density of 45 A/m(2). Unlike DC, APC significantly alleviated electrode passivation, enhanced the treatment efficiency, and reduced energy consumption. A shorter CCP produced better results. When the CCP was 1 min, current density was 45 A/m(2), and SOT was 10 min, the removal efficiency of the EC-filtration system for total suspended solids (TSS), chemical oxygen demand (CODMn), and total nitrogen (TN) was 53.55 +/- 1.66%, 47.76 +/- 0.18%, and 15.55 +/- 0.31%, respectively, and the energy consumption was 11.88 x 10(-3) kWh/m(3).
关键词	electrocoagulation filtration alternating pulse current electrode passivation water treatment
DOI	10.3390/w14081181
收录类别	SCI
语种	英语
资助项目	National Key R and D 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[2019YFD0900502]; China Postdoctoral Science Foundation[2021M693212]
WOS研究方向	Environmental Sciences & Ecology ; Water Resources
WOS类目	Environmental Sciences ; Water Resources
WOS记录号	WOS:000785500300001
出版者	MDPI
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/337002/178826
专题	实验海洋生物学重点实验室
通讯作者	Sun, Jianming; 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 Mega Sci, Qingdao 266071, Peoples R China 3.Liaoning Ocean & Fisheries Sci Res Inst, Dalian Key Lab Conservat Fishery Resources, Liaoning Prov Key Lab Marine Biol Resources & Eco, Dalian 116023, Peoples R China
第一作者单位	中国科学院海洋研究所
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. Enhancing the Performance of the Electrocoagulation-Filtration System Treating Mariculture Tailwaters by Using Alternating Pulse Current: Effects of Current Density and Current Conversion Period[J]. WATER,2022,14(8):16.
APA	Xu, Jianping.,Qiu, Tianlong.,Chen, Fudi.,Sun, Ming.,Zhou, Li.,...&Du, Yishuai.(2022).Enhancing the Performance of the Electrocoagulation-Filtration System Treating Mariculture Tailwaters by Using Alternating Pulse Current: Effects of Current Density and Current Conversion Period.WATER,14(8),16.
MLA	Xu, Jianping,et al."Enhancing the Performance of the Electrocoagulation-Filtration System Treating Mariculture Tailwaters by Using Alternating Pulse Current: Effects of Current Density and Current Conversion Period".WATER 14.8(2022):16.

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