Effect of hydraulic retention time on the treatment of secondary effluent in a subsurface flow constructed wetland

D Ghosh, B Gopal - Ecological Engineering, 2010 - Elsevier
This study evaluates the potential of subsurface flow (SSF) constructed wetlands (CWs) for
tertiary treatment of wastewater at four shorter HRTs (1–4 days). The CWs were planted with …

Effect of temperature, HRT, vegetation and porous media on removal efficiency of pilot-scale horizontal subsurface flow constructed wetlands

CS Akratos, VA Tsihrintzis - Ecological engineering, 2007 - Elsevier
In order to investigate the effect of temperature, hydraulic residence time (HRT), vegetation
type and porous media material and grain size on the performance of horizontal subsurface …

Effect of wastewater step-feeding on removal efficiency of pilot-scale horizontal subsurface flow constructed wetlands

AI Stefanakis, CS Akratos, VA Tsihrintzis - Ecological Engineering, 2011 - Elsevier
The performance of a pilot-scale horizontal subsurface flow (HSF) constructed wetland is
investigated with emphasis on the effects of wastewater step-feeding. One pilot-scale unit, of …

Performance evaluation of horizontal and vertical flow constructed wetlands as tertiary treatment option for secondary effluents

AK Thalla, CP Devatha, K Anagh, E Sony - Applied Water Science, 2019 - Springer
Constructed wetlands (CWs) are simple low-cost wastewater treatment units that use natural
process to improve the effluent water quality and make it possible for its reuse. In the present …

Organic Matter and Nutrient Removal Performance of Horizontal Subsurface Flow Constructed Wetlands Planted with Phragmite karka and Vetiveria zizanioide for …

K Angassa, S Leta, W Mulat, H Kloos, E Meers - Environmental Processes, 2018 - Springer
Three pilot horizontal subsurface flow constructed wetlands (HSSFCWs) were constructed,
covered with a geomembrane and filled with gravel media. The study compared the …

Does clogging affect long-term removal of organics and suspended solids in gravel-based horizontal subsurface flow constructed wetlands?

J Vymazal - Chemical Engineering Journal, 2018 - Elsevier
Constructed wetlands with horizontal subsurface flow (HF CWs) are primarily designed to
remove organics and suspended solids. The major principle of this treatment process is that …

Impact of the hydraulic loading rate on pollutants removal in tropical horizontal subsurface flow constructed wetlands

G Weerakoon, K Jinadasa, GBB Herath… - Ecological …, 2013 - Elsevier
This study assessed the pollutant removal potential of horizontal subsurface flow (HSSF)
constructed wetland systems under tropical conditions subjected to various hydraulic …

Evaluating the performance of horizontal sub-surface flow constructed wetlands: A case study from southern India

P Jamwal, AV Raj, L Raveendran, S Shirin… - Ecological …, 2021 - Elsevier
Constructed wetlands are a nature-based engineering solution enabling polishing of septic
tank effluents at low-cost. However to date, the influence of planting on treatment efficiency …

Effect of key design parameters on the efficiency of horizontal subsurface flow constructed wetlands

J García, P Aguirre, J Barragán, R Mujeriego… - Ecological …, 2005 - Elsevier
This study evaluates the effect of hydraulic loading rate (HLR), aspect ratio, granular
medium size and water depth on the removal of selected contaminants in horizontal …

Performance of ornamental plants in monoculture and polyculture horizontal subsurface flow constructed wetlands for treating wastewater

AM Leiva, R Núñez, G Gómez, D López, G Vidal - Ecological engineering, 2018 - Elsevier
The aim of this study was to evaluate the effect of two ornamental plants in monoculture and
polyculture horizontal subsurface flow (HSSF) constructed wetlands for treating wastewater …