Artificial aeration of an overloaded constructed wetland improves hypoxia but does not ameliorate high nitrogen loads

DJ Allen, M Farrell, J Huang, S Plush… - Journal of Environmental …, 2023 - Elsevier
High organic loadings to constructed wetlands can result in water quality issues such as low
dissolved oxygen and high ammonium concentrations, with artificial aeration a potential …

Effects of wetland construction on water quality in a semi-arid catchment degraded by intensive agricultural use

D Moreno-Mateos, C Pedrocchi, FA Comín - Ecological Engineering, 2010 - Elsevier
Many factors can influence the improvement of water quality in surface-flow constructed
wetlands (SFW). To test if water quality was improved, especially in nutrient and salt content …

Pathway governing nitrogen removal in artificially aerated constructed wetlands: impact of aeration mode and influent chemical oxygen demand to nitrogen ratios

J Hou, X Wang, J Wang, L Xia, Y Zhang, D Li… - Bioresource technology, 2018 - Elsevier
This study aimed at assessing the influence of aeration mode and influent COD/N ratio on
nitrogen removal in constructed wetlands (CWs). The results showed that a simultaneous …

Effects of aeration position on organics, nitrogen and phosphorus removal in combined oxidation pond–constructed wetland systems

X Wang, Y Tian, X Zhao, S Peng, Q Wu, L Yan - Bioresource Technology, 2015 - Elsevier
Given that few studies investigated the effects of aeration position (AP) on the performance
of aerated constructed wetlands, the aim of this study was to evaluate the effects of AP on …

[PDF][PDF] The use of artificial aeration in horizontal sub-surface flow constructed wetlands for tertiary nitrification

E Butterworth - 2014 - core.ac.uk
Increased treatment capability is required on small sewage treatment works to meet
ammonium consents that are tightening to effluent concentrations of below 5 mgNH4+-N/L …

[PDF][PDF] The use of aeration to enhance ammonia nitrogen removal in constructed wetlands

TS Jamieson, GW Stratton, R Gordon… - Canadian Biosystems …, 2003 - library.csbe-scgab.ca
Jamieson, TS, Stratton, GW, Gordon, R. and Madani, A. 2003. The use of aeration to
enhance ammonia nitrogen removal in constructed wetlands. Canadian Biosystems …

Nitrogen removal from wastewater by an aerated subsurface‐flow constructed wetland in cold climates

ED Redmond, CL Just, GF Parkin - Water Environment …, 2014 - Wiley Online Library
The objective of this study was to assess the role of cyclic aeration, vegetation, and
temperature on nitrogen removal by subsurface‐flow engineered wetlands. Aeration was …

Nutrient removal in wetlands during intermittent artificial aeration

X Tang, S Huang, M Scholz - Environmental engineering science, 2008 - liebertpub.com
In a pilot-scale study, the contribution of intermittent artificial aeration to nitrogen and
phosphorus removal in three (ie, aeration in the middle of the substrate, aeration at the …

The ammonium nitrogen oxidation process in horizontal subsurface flow constructed wetlands

L Zhang, X Xia, Y Zhao, B Xi, Y Yan, X Guo… - Ecological …, 2011 - Elsevier
The ammonium nitrogen oxidation process (ANOP) is the first and most important step for
nitrogen removal in constructed wetlands (CWs). The process was investigated by observing …

Effect of intermittent induced aeration on nitrogen removal and denitrifying-bacterial community structure in Cork and gravel vertical flow pilot-scale treatment wetlands

L Aguilar, Á Gallegos, L Martín Pérez… - … Science and Health …, 2021 - Taylor & Francis
In this work, we have evaluated the impact of intermittent induced aeration in total nitrogen
(TN), ammonia (NH4-N) and nitrate-nitrogen (NO3-N) removal in four pilot-scale vertical flow …