气候变化领域集成服务门户(CCPortal): Floating treatment wetlands as a suitable option for large-scale wastewater treatment

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DOI	10.1038/s41893-019-0350-y
	Floating treatment wetlands as a suitable option for large-scale wastewater treatment
	Afzal M.; Arslan M.; Müller J.A.; Shabir G.; Islam E.; Tahseen R.; Anwar-ul-Haq M.; Hashmat A.J.; Iqbal S.; Khan Q.M.
发表日期	2019
ISSN	2398-9629
起始页码	863
结束页码	871
卷号	2 期号:9
英文摘要	In many developing countries, there are limited or insufficient wastewater treatment infrastructures. Floating treatment wetlands (FTWs) can be a cost-effective phytoremediation approach to treat various types of wastewater. The buoyancy of the FTWs is due to air-filled rhizomes and entrapment of gas bubbles by the interwoven roots, which can be supported further by rafts. The performance of full-scale systems for treating genuine wastewater is largely unknown because studies so far have been experimental. Here, we installed full-scale FTWs in stabilization ponds receiving sewage (60%) and industrial (40%) wastewater from Faisalabad, Pakistan, and evaluated their treatment performance over a period of three years. The FTWs promoted a substantial improvement of all recorded water quality indicators and a reduction of heavy metal concentrations in the effluent compared to the influent. The maximum removal capacities of the system were 79% of chemical oxygen demand (COD), 88% of biochemical oxygen demand (BOD) and 65% of total dissolved solids (TDS). The performance was optimal in the second and third years of operation during which about 60 million m3 per year of wastewater was treated at a cost of US$0.00026 per m3. This study demonstrates that FTWs are an appropriate ecotechnology for the large-scale cleanup of sewage and industrial wastewater. © 2019, The Author(s), under exclusive licence to Springer Nature Limited.
语种	英语
scopus关键词	Biochemical oxygen demand; Bioremediation; Cost effectiveness; Developing countries; Dissolved oxygen; Effluents; Heavy metals; Industrial water treatment; Sewage; Water quality; Wetlands; Biochemical oxygen demands (BOD); Floating treatment wetlands; Full-scale system; Heavy metal concentration; Industrial wastewaters; Total dissolved solids; Treatment performance; Water quality indicators; Wastewater treatment
来源期刊	Nature Sustainability
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/163019
作者单位	Soil & Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan; Department of Environmental Biotechnology, Helmholtz Centre for Environmental Research—UFZ, Leipzig, Germany; Institute for Biology V (Environmental Research), RWTH Aachen University, Aachen, Germany
推荐引用方式 GB/T 7714	Afzal M.,Arslan M.,Müller J.A.,et al. Floating treatment wetlands as a suitable option for large-scale wastewater treatment[J],2019,2(9).
APA	Afzal M..,Arslan M..,Müller J.A..,Shabir G..,Islam E..,...&Khan Q.M..(2019).Floating treatment wetlands as a suitable option for large-scale wastewater treatment.Nature Sustainability,2(9).
MLA	Afzal M.,et al."Floating treatment wetlands as a suitable option for large-scale wastewater treatment".Nature Sustainability 2.9(2019).