Constructed wetlands as a potential management practice for cold climate dairy effluent treatment — VT, USA

Tunçsiper, Bilal; Drizo, Aleksandra; Twohig, Eamon

doi:10.1016/j.catena.2015.07.028

Cited by 34 publications

(6 citation statements)

References 18 publications

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“…During the investigation period, COD and TSS removal were high (> 85 %) and were not affected by low temperatures. Similar results were observed in previous studies (Smith et al, 2006;Prost-Boucle and Molle, 2012;Tunçsiper et al, 2015). The total COD concentration measured in TW effluents operated in a percolating flow mode (around 20 mg/L) likely corresponded to the soluble non-biodegradable fraction of typical municipal effluent.…”

Section: Discussionsupporting

confidence: 90%

Two-year performance of single-stage vertical flow treatment wetlands planted with willows under cold-climate conditions

Grebenshchykova

Brisson

Chazarenc

et al. 2020

Ecological Engineering

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Section: Discussionsupporting

confidence: 90%

Two-year performance of single-stage vertical flow treatment wetlands planted with willows under cold-climate conditions

Grebenshchykova

Brisson

Chazarenc

et al. 2020

Ecological Engineering

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“…The aeration system was also found to increase both temperature and mixing in four SSF wetlands. These results remained consistent when later studies continued the work on these wetlands (Tunçsiper et al, 2015). Artificial aeration has been proven to be an effective methodology in improving treatment efficiencies, though does not compensate for the absence of plants in the wetland system (Ouellet-Plamondon et al, 2006;Wang et al, 2017).…”

Section: Ice Formationmentioning

confidence: 52%

Seasonal Considerations for Year-Round Operation of On-Farm Wetlands in Temperate Climates: A Review

Smith¹,

Rodd²,

McDonald³

et al. 2021

JAS

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On-farm constructed wetlands (CW) have been increasing in application over the past several decades to treat a variety of agricultural wastewaters. These systems have been found to be relatively low cost, require minimal maintenance, and provide a very efficient and sustainable means of treating harmful contaminants during the warm seasons before reaching nearby waterways. With farm size increasing in many regions and more waste being generated, it becomes increasingly important to have a viable means of treating wastewaters on a year-round basis. However, temperate climates can present challenges in the treatment of these wastewaters. This paper aims to bring together and review previous research on the use of CWs for treating agricultural wastewater in temperate climates where below freezing temperatures can exist. Focus is placed on the use of various wetland designs, wastewater types, management practices, maintenance, operational challenges and overall treatment capacities. This study highlights the need to carefully consider several factors (i.e. waste type, design, climate, vegetation, management) before using these systems for year-round treatment. Continued research in wetland management will be key in getting wide scale adoption from the agricultural community in temperate climates.

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“…Other researchers have reported low TP treatment efficiencies for wetlands receiving wastewater from livestock and agricultural operations, especially as the wetland ages and the sorption sites for P reach saturation [4,6,8,25,26]. Stone et al [25] indicated that the removal of phosphorus from swine-derived wastewater could reach 85% at input concentrations of between 1 and 3 mg/L, but as the concentration increased beyond 40 mg/L, this percentage could drop to 6%, which coincided with the removal observed in W in this study.…”

Section: Phosphorusmentioning

confidence: 99%

Performance and Kinetics of a Pond-Constructed Wetland System Treating Beef Manure Pile and Exercise Yard Runoff in Eastern Ontario

Mejia-Franco¹,

Kinsley²,

Delatolla³

2020

Water

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Runoff from manure piles and permanent outdoor confinement areas are common sources of pollution from livestock operations, which must be properly managed in accordance with local environmental regulations. Seven months of performance data from a pond-free water surface constructed wetland system receiving cattle feedlot runoff in Eastern Ontario, Canada, were used to evaluate performance and quantify first-order reaction rate constants (k) for organic matter and nutrients. Kinetic values were shown to be strongly temperature dependent and to adequately represent average treatment over the operating season; however, k values varied significantly on shorter time scales due to the event-based nature of the treatment system. Plant (duckweed) uptake of soluble phosphorus and ammonia in the pond was shown to be a predominant mechanism of nutrient removal. The pond-wetland system was effective at reducing biological oxygen demand (BOD5) by 67%, total phosphorus (TP) by 45%, and total nitrogen (TN) by 64%, providing a cost-effective and appropriate solution for beef producers.

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Constructed wetlands as a potential management practice for cold climate dairy effluent treatment — VT, USA

Cited by 34 publications

References 18 publications

Two-year performance of single-stage vertical flow treatment wetlands planted with willows under cold-climate conditions

Two-year performance of single-stage vertical flow treatment wetlands planted with willows under cold-climate conditions

Seasonal Considerations for Year-Round Operation of On-Farm Wetlands in Temperate Climates: A Review

Performance and Kinetics of a Pond-Constructed Wetland System Treating Beef Manure Pile and Exercise Yard Runoff in Eastern Ontario

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