Assessment of the Hydraulic and Toxic Metal Removal Capacities of Bioretention Cells After 2 to 8 Years of Service

Paus, Kim H.; Morgan, Joel; Gulliver, John S.; Leiknes, TorOve; Hozalski, Raymond M.

doi:10.1007/s11270-013-1803-y

Cited by 55 publications

(35 citation statements)

References 25 publications

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“…The clogging process, which will have a negative impact on the actual infiltration capacity in a field application, was not considered in the calculations. However, K sat values, which were used to dimension these systems, may counterbalance the clogging risk because these values represent a conservative estimate of the potential infiltration rate [29]. Table 6.…”

Section: Desorption Of Metals Due To Saltsmentioning

confidence: 99%

Pilot Scale Testing of Adsorbent Amended Filters under High Hydraulic Loads for Highway Runoff in Cold Climates

Monrabal-Martinez

Ilyas

Muthanna

2017

Water

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This paper presents an estimation of the service life of three filters composed of sand and three alternative adsorbents for stormwater treatment according to Norwegian water quality standards for receiving surface waters. The study conducted pilot scale column tests on three adsorbent amended filters for treatment of highway runoff in cold climates under high hydraulic loads. The objectives were to evaluate the effect of high hydraulic loads and the application of deicing salts on the performance of these filters. From previous theoretical and laboratory analysis granulated activated charcoal, pine bark, and granulated olivine were chosen as alternative adsorbent materials for the present test. Adsorption performance of the filters was evaluated vis-à-vis four commonly found hazardous metals (Cu, Pb, Ni and Zn) in stormwater. The results showed that the filters were able to pass water at high inflow rates while achieving high removal. Among the filters, the filters amended with olivine or pine bark provided the best performance both in short and long-term tests. The addition of NaCl (1 g/L) did not show any adverse impact on the desorption of already adsorbed metals, except for Ni removal by the charcoal amended filter, which was negatively impacted by the salt addition. The service life of the filters was found to be limited by zinc and copper, due to high concentrations observed in local urban runoff, combined with moderate affinity with the adsorbents. It was concluded that both the olivine and the pine bark amended filter should be tested in full-scale conditions.

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Section: Desorption Of Metals Due To Saltsmentioning

confidence: 99%

Pilot Scale Testing of Adsorbent Amended Filters under High Hydraulic Loads for Highway Runoff in Cold Climates

Monrabal-Martinez

Ilyas

Muthanna

2017

Water

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“…Studies of a field-scale bioretention cells have been conducted to provide design factors that are important to meet hydrologic and water quality goals [35,42,48,66,88,89]. To evaluate the hydrologic impacts of bioretention within an urban environment, Davis [34] monitored the performance of two bioretention cells receiving runoff from adjacent parking lots for approximately two years, covering 49 rainfall events.…”

Section: Field-scale Bioretention Monitoringmentioning

confidence: 99%

Review and Research Needs of Bioretention Used for the Treatment of Urban Stormwater

Liu

Sample

Bell

et al. 2014

Water

211

105

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Abstract:The continued development of urban areas in recent decades has caused multiple issues affecting the sustainability of urban drainage systems. The increase of impervious surface areas in urban regions alters watershed hydrology and water quality. Typical impacts to downstream hydrologic regimes include higher peak flows and runoff volumes, shorter lag times, and reduced infiltration and base flow. Urban runoff increases the transport of pollutants and nutrients and thus degrades water bodies downstream from urban areas. One of the most frequently used practices to mitigate these impacts is bioretention. Despite its widespread use, research on bioretention systems remains active, particularly in terms of mix design and nitrogen treatment. Recent research focusing on bioretention is reviewed herein. The use of mesocosms provides the ability to isolate particular treatment processes and replicate variability. Computational models have been adapted and applied to simulate bioretention, offering potential improvements to their operation, maintenance, and design. Maintenance practices are important for sustained operation and have also been reviewed. Predicting maintenance is essential to assessing lifecycle costs. Within these research areas, gaps are explored, and recommendations made for future work.

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“…The initial soil moisture content was approximately 12% in all of the tests. The Green and Ampt (1911) parameters, saturated hydraulic conductivity (K sat ) and wetting-front suction (ψ) in the upper 25 cm were estimated at the end of all the tests using the MPD infiltrometer method (Asleson et al, 2009;Olson et al, 2013;Paus et al, 2013;Ahmed et al, 2014). Nineteen measurements of falling head were taken in areas without eroded channels and utilized in the MPD spreadsheet to compute the saturated hydraulic conductivity and the wetting-front suction of the soil.…”

Section: Soil Characteristicsmentioning

confidence: 99%

Description of soil micro‐topography and fractional wetted area under runoff using fractal dimensions

García‐Serrana

Gulliver

Nieber

2018

Earth Surf Processes Landf

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Understanding the connections between the micro‐topography of a surface and the patterns of shallow overland flow is important to the study of runoff and infiltration processes. In slopes with micro‐topographic features parallel to the flow, water tends to concentrate in channels and only a fraction of the slope contributes to the overland flow. This study aimed to formulate the relevance of the fractal approach for understanding the relation of surface roughness to overland flow patterns. Laboratory experiments of simulated runoff over a bare soil slope were used to test the efficacy of two fractal parameters (fractal dimension [FD] and vertical intercept [VIC] from the Fourier power spectrum method) to describe how main surface micro‐topographic features can influence runoff, infiltration and erosion processes. The fractal parameters behaved differently for the distinctive initial surface treatments (smooth, three rills, and five rills). The anisotropy of the surface was evident based on the change of the fractal parameters with direction. The rose plots of the fractal parameters provided important information about the magnitude of the concentrated flow erosion of a surface and its main direction; in the direction perpendicular to the rills, the FD values were lower and the VIC greater. The minimum FD decreased and the maximum VIC increased with runoff time. A linear relationship between the infiltration depth and the percentage of wetted area was observed. Furthermore, a relationship between the fraction of wetted area and the fractal parameters has been developed, indicating that vertical variations (VIC) in roughness had more impact on fraction of wetted area than horizontal variations (FD) of the surface. Finally, a decrease in the minimum FD and an increase in the maximum VIC were related to greater scour volumes. The scour volume of an initially smooth surface seems to be well‐represented by a power relationship with the maximum VIC. By defining indicators of rill erosion and associating them with flow patterns through these fractal parameters, a better description of shallow overland flow can be achieved. © 2018 John Wiley & Sons, Ltd.

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Assessment of the Hydraulic and Toxic Metal Removal Capacities of Bioretention Cells After 2 to 8 Years of Service

Cited by 55 publications

References 25 publications

Pilot Scale Testing of Adsorbent Amended Filters under High Hydraulic Loads for Highway Runoff in Cold Climates

Pilot Scale Testing of Adsorbent Amended Filters under High Hydraulic Loads for Highway Runoff in Cold Climates

Review and Research Needs of Bioretention Used for the Treatment of Urban Stormwater

Description of soil micro‐topography and fractional wetted area under runoff using fractal dimensions

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