2020
DOI: 10.1016/j.jenvman.2019.109873
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Application of an innovative front aeration and internal recirculation strategy to improve the removal of pollutants in subsurface flow constructed wetlands

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Cited by 23 publications
(5 citation statements)
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“…Recirculation ratio (Rr) usually falls in the range 50-250%. Nevertheless, Lin et al (2020) tested the effect of Rr as high as 14.3 and 3.0 in HSSF CWs [45]. In this study, a low Rr was tested because the treatment system is full scale, and the real application of a high Rr would not be practical considering the high flow to be pumped and the energy expended.…”
Section: Effect Of the Effluent Recirculation On Pharmaceutical Removalmentioning
confidence: 98%
“…Recirculation ratio (Rr) usually falls in the range 50-250%. Nevertheless, Lin et al (2020) tested the effect of Rr as high as 14.3 and 3.0 in HSSF CWs [45]. In this study, a low Rr was tested because the treatment system is full scale, and the real application of a high Rr would not be practical considering the high flow to be pumped and the energy expended.…”
Section: Effect Of the Effluent Recirculation On Pharmaceutical Removalmentioning
confidence: 98%
“…An exceptional year in terms of hydraulic loading of the treatment plant was 2020. The average 24 h amount of wastewater flowing into the treatment plant was 1.7 m 3 /d, which resulted from restrictions imposed on schools' operations in connection with the coronavirus pandemic (COVID- 19).…”
Section: Composition Of Treated Wastewatermentioning
confidence: 99%
“…An important parameter from the point of view of the analysis in question is the content of dissolved oxygen in the treated wastewater. It determines the proper course of degradation processes of organic pollutants in CWs [19,20]. The technological system of the facility used a system of aeration of mechanically treated wastewater before its introduction to a system of two soil-plant beds.…”
Section: Composition Of Treated Wastewatermentioning
confidence: 99%
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“…Yet, some of the constraints could be the low N and recalcitrant OM removal, limited oxygen transfer, and the need for land availability. The effects of aeration and recirculation on constructed wetlands treating swine wastewater have been assessed by Wu et al (2016b), Masi et al (2017 and Lin et al (2020) with the main goal to achieve higher OM and nutrients content removal rates in less time and area of land needed (He et al, 2016;Ilyas and Masih, 2017a,b). It has been shown that in aerated horizontal flow (HF) and aerated vertical flow (VF), N removal is more effective than only horizontal flow or vertical flow designs.…”
Section: Introductionmentioning
confidence: 99%