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Sequential detention pond-biogeochemical barrier-free water surface wetland system for effluent purification and river eutrophication control
Kumwimba, Mathieu Nsenga; Dzakpasu, Mawuli; Li, Xinzhu; Wang, Wei; Jie, Zhishi; Bao, Linlin; Su, Jingjun; Li, Xuyong
2021-06
Source PublicationJOURNAL OF WATER PROCESS ENGINEERING
ISSN2214-7144
Volume41Pages:-
AbstractDischarge of phosphorus (e.g., PO4-P) and nitrogen (NO3-N) from the wastewater treatment facility (WWTF) effluent even at low occurrence (e.g., mu g PO4-P L-1) could lead to eutrophication of receiving environments. Zhangjiakou city will host the international winter multi-sport event in 2022, which would probably yield a large amount of domestic WW and their associated contaminants in the water systems. To reveal the feasibility of an integrated surface flow constructed wetland (ISFCW) system for the purification of WWTF effluent, a field-scale ISFCW system was applied and operated in Zhangjiakou city. The ISFCW system consisted of a vegetated sedimentation pond (VSP) section followed by a biogeochemical barrier (BGB), and an SFCW. The purification performance of each purification component was monitored weekly over twelve months in terms of nutrient (N and P) removal. With the application of the ISFCW system, a total of 48.7, 59.4, 50.0, 54.9, and 60.2 % removal of TN, NH4-N, NO3-N, TP, and PO4-P was achieved in the summer period. Further analysis demonstrated that the contributions of VSP, BGB and FTW to all analyzed nutrient removal were 3-78 %. The key removal processes appeared to be biological and physicochemical pathways, and the integration of the VSP, BGB and SFCW enhanced the purification capacity of the system. Overall, the ISFCW system was effective at reducing nutrients from WWTF effluent and could consequently be used locally and in other similar mountain-river systems. Additional optimization of operating conditions could result in an enhanced reduction of nutrients.
Department城市与区域生态国家重点实验室
KeywordWWTF effluent Nutrients Water quality Integrated surface flow constructed treatment wetland
WOS Research AreaEngineering, Environmental ; Engineering, Chemical ; Water Resources
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45561
Collection城市与区域生态国家重点实验室
Affiliation1.Chinese Acad Sci, State Key Lab Urban & Reg Ecol, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Lubumbashi, Fac Agron, Lubumbashi, DEM REP CONGO
4.Capital Normal Univ, Coll Resource Environm & Tourism, Beijing 100048, Peoples R China
5.Xian Univ Architecture & Technol, Key Lab Northwest Water Resource Environm & Ecol, MOE, Sch Environm & Municipal Engn, Xian 710055, Peoples R China
Recommended Citation
GB/T 7714
Kumwimba, Mathieu Nsenga,Dzakpasu, Mawuli,Li, Xinzhu,et al. Sequential detention pond-biogeochemical barrier-free water surface wetland system for effluent purification and river eutrophication control[J]. JOURNAL OF WATER PROCESS ENGINEERING,2021,41:-.
APA Kumwimba, Mathieu Nsenga.,Dzakpasu, Mawuli.,Li, Xinzhu.,Wang, Wei.,Jie, Zhishi.,...&Li, Xuyong.(2021).Sequential detention pond-biogeochemical barrier-free water surface wetland system for effluent purification and river eutrophication control.JOURNAL OF WATER PROCESS ENGINEERING,41,-.
MLA Kumwimba, Mathieu Nsenga,et al."Sequential detention pond-biogeochemical barrier-free water surface wetland system for effluent purification and river eutrophication control".JOURNAL OF WATER PROCESS ENGINEERING 41(2021):-.
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