Seasonal variation of nutrient removal in a full-scale horizontal constructed wetland

Mesquita, Marcella Coelho Berjante; Albuquerque, António; Amaral, Leonor; Nogueira, R.

doi:10.1016/j.egypro.2017.10.246

Cited by 23 publications

(11 citation statements)

References 21 publications

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“…The mechanism for phosphate removal might be due to adsorption and/or precipitation in sand filter, plant uptake and microbial action. In the previous studies a removal of 58.03% and 27.5% of TP was achieved by Phragmites australis in VFCWS and HFCWS respectively indicating that vertical flow achieves higher removal % than horizontal for the same species (Sudarsan et al 2015, Mesquita et al 2017. Maximum of 63.2% of TP was reported in hybrid constructed wetland (Lee et al 2015).…”

Section: Figure 33 Tkn Removal In Vfcwsmentioning

confidence: 81%

“…The efficiency of wetland in nutrient removal is higher in summer than other seasons (Ramakrishna Rao et al 2013, Mesquita et al 2017. CWS with Eichornia crassipes treating sewage revealed removal of 43.07% and 49.03% for nitrogen and TP (Yadav et al 2011).…”

Section: Figure 33 Tkn Removal In Vfcwsmentioning

confidence: 99%

“…reported removal of 80.3% TKN and 67.3% TP in wetlands planted with Phragmites australis. Above 90% of nutrient removal can be achieved in wetlands depending on the performance of species and system as a whole(Luederitz et al 2001).In the previous studies a removal of 58.03% and 27.5% of TP was achieved by Phragmites australis in VFCWS and HFCWS respectively indicating that vertical flow achieves higher removal % than horizontal for the same species(Sudarsan et al 2015, Mesquita et al 2017. Maximum of 63.2% of TP was reported in hybrid constructed wetland(Lee et al 2015).…”

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confidence: 92%

“…According toKumar et al (2011) a maximum of 64-75% of TP is removed by adsorption process in the system, 9-19% by plant uptake and 7-12% by microbial metabolism. Cyperus papyrus has the ability to uptake 28.5% of nitrogen and 11.2% of phosphate from the system(Kyambadde et al 2005).The efficiency of wetland in nutrient removal is higher in summer than other seasons (RamakrishnaRao et al 2013, Mesquita et al 2017. CWS with Eichornia crassipes treating sewage revealed removal of 43.07% and 49.03% for nitrogen and TP(Yadav et al 2011).…”

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confidence: 99%

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Pollutant Removal from Sewage in Tropical Climate by Constructed Wetland System: An Asset for Irrigation

Usharani

Vasudevan

2021

ILNS

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In the global outlook, letting of untreated sewage in existing river bodies deteriorates the water quality. The seepage likely depreciates the quality of ground water too. The quality of groundwater with special reference to India has tremendously gone down in the past twenty years leading to sour taste. On the other hand, agriculture sector is deprived of water in many places of India. A solution can be arrived concurrently by treating sewage and consuming the effluent in agricultural sector. First order kinetics was applied in constructed wetland system at different flow rates and optimised. At optimised HLR, effluent met the standards of discharge that can be utilized for agricultural/ irrigational purpose. The emanating major pollutants can be effectively treated using constructed wetland system under tropical climate. A few clippings at the onsite treatment illustrated the diversity of species thus adjoining sustainable biodiversity and treatment. Thus in tropical countries like India, constructed wetland system might pave solution not only for the treatment of sewage but in deploying the effluent in agricultural sector. A clean ecosystem can be achieved with sustainability.

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Section: Figure 33 Tkn Removal In Vfcwsmentioning

confidence: 81%

Section: Figure 33 Tkn Removal In Vfcwsmentioning

confidence: 99%

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confidence: 92%

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confidence: 99%

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Pollutant Removal from Sewage in Tropical Climate by Constructed Wetland System: An Asset for Irrigation

Usharani

Vasudevan

2021

ILNS

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“…Liu et al (2017) reviewed the potential of wetlands on advanced nutrient removal from surface waters by a consortium of attached microalgae and bacteria. Mesquita et al (2017) (Mulkeen et al, 2017). It was noted that analysis of above ground biomass alone could be an underestimation considering the accumulation rates by the below ground biomass indicating an optimum time of biomass harvesting to be effective throughout the year.…”

Section: Wetlands For Wastewater Treatmentmentioning

confidence: 99%

Wetlands for Wastewater Treatment

Martinez‐Guerra

Castillo-Valenzuela

Gude

2018

Water Environment Research

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An update on the current research and development of wetland treatment technologies for wastewater treatment is provided in this paper. This article focuses on wetland applications in wastewater treatment (as an advanced treatment unit or a decentralized system), and nutrient and pollutant removal (metals, industrial and emerging pollutants including pharmaceutical compounds). A summary of studies involving the effects of vegetation, wetland design and operation, modeling, hybrid and innovative systems, landfill leachate treatment, and pathogen removal is also included.

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Performance enhancement of constructed wetlands for wastewater remediation by modifications and integration of technologies: A review

Patyal

Jaspal

Khare

2022

Env Prog and Sustain Energy

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Constructed wetland (CW) has gained popularity as an eco‐friendly technology for ease of operation and maintenance. This article critically reviews and summarizes the research carried out to date on several approaches for integration of CW with other methods of treatment, exploring several novel modes of operation and factors, to improve the remediation capacity of the CW system. The study shows that the use of different modes of aeration, recirculation of the effluent, hydraulic retention time, and organic loading rate not only improves the removal efficiency of the treatment system but also helps in reducing the surface area required for the system in the treatment of emerging contaminants. The integrated approach analysis gives an insight into the different technologies, which can be coupled with CW for fast, sustainable, and eco‐efficient treatment systems for different types of wastewater. Anaerobic technologies and microbial fuel cell (MFC) have the added advantage of energy generation apart from wastewater treatment, which helps in reducing carbon footprints. Optimization of pollutant treatment in wastewater and electricity generation by CW‐MFC has emerged to be an upcoming area of research. The study disseminates knowledge about the latest developments in the field of intensified CW technology with a focus on modifications and integrated systems, which help in identifying the potential areas of research worth addressing in the future.

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Seasonal variation of nutrient removal in a full-scale horizontal constructed wetland

Cited by 23 publications

References 21 publications

Pollutant Removal from Sewage in Tropical Climate by Constructed Wetland System: An Asset for Irrigation

Pollutant Removal from Sewage in Tropical Climate by Constructed Wetland System: An Asset for Irrigation

Wetlands for Wastewater Treatment

Performance enhancement of constructed wetlands for wastewater remediation by modifications and integration of technologies: A review

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