Purification performance from bypass ecological treatment systems treating WWTPs effluents and improvement of water quality in receiving rivers: A case study in southern China

	Purification performance from bypass ecological treatment systems treating WWTPs effluents and improvement of water quality in receiving rivers: A case study in southern China
	Zheng, Xiaoxu; Xu, Shengjun; Bi, Yeliang ; Cheng, Gong ; Ma, Shuanglong ; Zhang, Hao ; Jiang, Cancan; Wang, Cong; Lyu, Ping ; Qin, Yu ; Zhuang, Xuliang
	2023
Source Publication	JOURNAL OF ENVIRONMENTAL MANAGEMENT
ISSN	0301-4797
Volume	329 Pages:117052-1-10
Abstract	Effluents from wastewater treatment plants (WWTPs) is the main source of pollution in rivers in developing countries. In this case study, three bypass ecological treatment systems along urban rivers achieved high removal efficiencies for chemical oxygen demand (COD; 55.7-64.0%), ammonium N (NH4+-N; 63.1-89.4%) and total phosphorous (TP; 27.6-76.7%). 16 S rRNA gene sequencing analysis confirmed that Proteobacteria was the main bacterial phylum (44.4%) in the ecological treatment system, and members were enriched significantly in the non-aeration area (59.3%). The relative abundance of Nitrospirae was highest in the inflow area (25.0%), but restrained in the non-aeration area (5.7%). 18 S rRNA gene annotation results indicated that phylum Rotifer was gradually inhibited with the direction of water flow and diffusion, while phylum Rhodophyta displayed the opposite trend. After implementation of bypass ecological treatment systems, receiving rivers were improved significantly from Grade V to IV, and the biodiversity of zooplankton, zoobenthos and fish communities was greatly improved.
Department	中国科学院饮用水科学与技术重点实验室
Keyword	Ecological treatment system WWTP effluents Bacterial community Eukaryotic community River water quality Biodiversity
Document Type	期刊论文
Identifier	https://ir.rcees.ac.cn/handle/311016/48573
Collection	中国科学院饮用水科学与技术重点实验室
Affiliation	1.Chinese Academy of Sciences 2.Research Center for Eco-Environmental Sciences (RCEES) 3.University of Chinese Academy of Sciences, CAS 4.Hebei University of Engineering 5.South China Sea Institute of Oceanology, CAS
Recommended Citation GB/T 7714	Zheng, Xiaoxu,Xu, Shengjun,Bi, Yeliang,et al. Purification performance from bypass ecological treatment systems treating WWTPs effluents and improvement of water quality in receiving rivers: A case study in southern China[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2023,329:117052-1-10.
APA	Zheng, Xiaoxu.,Xu, Shengjun.,Bi, Yeliang.,Cheng, Gong.,Ma, Shuanglong.,...&Zhuang, Xuliang.(2023).Purification performance from bypass ecological treatment systems treating WWTPs effluents and improvement of water quality in receiving rivers: A case study in southern China.JOURNAL OF ENVIRONMENTAL MANAGEMENT,329,117052-1-10.
MLA	Zheng, Xiaoxu,et al."Purification performance from bypass ecological treatment systems treating WWTPs effluents and improvement of water quality in receiving rivers: A case study in southern China".JOURNAL OF ENVIRONMENTAL MANAGEMENT 329(2023):117052-1-10.

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