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Mohamed Elsayed Gabr, Nadhir Al-Ansari, Ali Salem and Ahmed Awad
Point and nonpoint wastewater sources have a detrimental, negative effect on agriculture, soil, surface, and groundwater supplies. In this research, a wastewater treatment system made up of a sedimentation tank, a horizontal subsurface flow constructed w...
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Qijun Ni, Tao Wang, Jialin Liao, Wansheng Shi, Zhenxing Huang, Hengfeng Miao, Peng Wu and Wenquan Ruan
In this study, pilot-scale vertical-flow constructed wetland (VFCW) and horizontal-flow constructed wetland (HFCW) were constructed to treat eutrophic water, and dissolved oxygen (DO) distributions, decontamination performances and key enzymes activities...
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Jaime Nivala, Clodagh Murphy and Andrew Freeman
This paper outlines recent advances in the design, application, and operations and maintenance (O&M) of aerated treatment wetland systems as well as current research trends. We provide the first-ever comprehensive estimate of the number and geographi...
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M. I. Fernandez-Fernandez, P. T. Martín de la Vega, M. A. Jaramillo-Morán and M. Garrido
Constructed wetlands are one of the best technologies for wastewater treatment in small towns, small businesses or farms and/or livestock breeding. In this work, a wastewater depuration ecological system implemented in a hybrid constructed wetland to rem...
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Christos S. Akratos, Triantafyllos I. Tatoulis and Athanasia G. Tekerlekopoulou
The objective of this work was to determine the ability of a pilot-scale hybrid system to treat real (non-synthetic) winery wastewater. The experimental treatment system consisted of two stages: An attached growth pilot-scale bioreactor (biological trick...
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Katherine Lizama-Allende, Ignacio Jaque, José Ayala, Gonzalo Montes-Atenas and Eduardo Leiva
Constructed wetlands (CW) have been widely used to treat different types of water, including acid mine drainage (AMD). However, little is known about their performance in the removal of As from AMD. In this study, a laboratory-scale horizontal subsurface...
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José Alberto Herrera-Melián, Alejandro Borreguero-Fabelo, Javier Araña, Néstor Peñate-Castellano and José Alejandro Ortega-Méndez
A hybrid constructed wetland mesocosm has been used for the treatment of raw urban wastewater. The first stage was a mulch-based, subsurface, horizontal flow constructed wetland (HF). The HF achieved good removals of COD (61%; 54 g/m2·day) and Total Susp...
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G. M. P. R. Weerakoon, K. B. S. N. Jinadasa, G. B. B. Herath, M. I. M. Mowjood and W. J. Ng
Water in agricultural catchments is prone to pollution from agricultural runoff containing nutrients and pesticides, and contamination from the human population working and residing therein. This study examined the quality of water in a drainage stream w...
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Michal Marzec, Krzysztof Józwiakowski, Anna Debska, Magdalena Gizinska-Górna, Aneta Pytka-Woszczylo, Alina Kowalczyk-Jusko and Agnieszka Listosz
In this paper, the pollutant removal efficiency and the reliability of a vertical and horizontal flow hybrid constructed wetland (CW) planted with common reed, manna grass, and Virginia mallow were analyzed. The wastewater treatment plant, located in sou...
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Conceição Mesquita, António Albuquerque, Leonor Amaral and Regina Nogueira
Cultural eutrophication stimulated by anthropogenic-derived nutrients represents one of most widespread water quality problems worldwide. Constructed wetlands (CWs) have emerged as an aesthetic, sustainable form of wastewater treatment, but, although the...
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