Do salt and low temperature impair metal treatment in stormwater bioretention cells with or without a submerged zone?

Søberg, Laila C.; Viklander, Maria; Blecken, Godecke-Tobias

doi:10.1016/j.scitotenv.2016.11.179

Cited by 60 publications

(26 citation statements)

References 41 publications

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“…Becouze-Lareure et al., 2019). Depending on their prevalence, toxicity and resistance to degradation and/or chemical transformation metals might negatively affect the ecological status of surface waters (Søberg et al., 2017). A large number of field and laboratory studies have shown efficient total metal removal for bioretention systems, often exceeding 80–90% (e.g.…”

Section: Introductionmentioning

confidence: 99%

“…A large number of field and laboratory studies have shown efficient total metal removal for bioretention systems, often exceeding 80–90% (e.g. Hatt et al., 2008; Søberg et al., 2017). However, reported removals of dissolved metals are fewer and contradictory including both efficient removal and significant leaching (e.g.…”

Section: Introductionmentioning

confidence: 99%

“…However, reported removals of dissolved metals are fewer and contradictory including both efficient removal and significant leaching (e.g. Muthanna et al., 2007; Søberg et al., 2017).…”

Section: Introductionmentioning

confidence: 99%

“…When choosing a filter material, long-term retention rather than short-term adsorption is most relevant. To address the management and/or lifetime of bioretention systems, together with potential risks for leaching of adsorbed metals (Hatt et al., 2008; Søberg et al., 2017), it is essential to understand processes by which the metals are bound to the filter material. For instance, it is well known that OM (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Dissolved metal adsorption capacities and fractionation in filter materials for use in stormwater bioretention facilities

et al. 2019

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The dissolved metal adsorption and association was determined for ten different filter materials recommended and/or implemented in bioretention facilities. Batch adsorption and batch kinetic experiments were performed at lab-scale using both single and multi-metal solutions. Metal strengths and association were determined by sequential extraction analysis. All materials adsorbed metals and 90% of adsorption occurred within 1 h. However, as metal solutions became more complex, adsorption behavior changed. Generally, filter materials classified as sand with a naturally high pH, relatively low organic matter (OM) content and large specific surface area seem to be good choices for removing dissolved metals. Additionally, a chalk additive might improve metal adsorption whereas biochar did not significantly improve metal retention and may be an unwanted (due to degradation over time) extra source of OM. Regardless of filter material, metals primarily adsorbed to the exchangeable form which indicates that metal adsorption might not be permanent, but rather substantially reversible in some cases. More research is needed to assess whether dissolved metals adsorbed in filter materials of bioretention systems pose a delayed threat instead of an immediate threat. Finally, the authors strongly recommend filter materials intended for stormwater bioretention facilities to be tested prior to implementation.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…However, reported removals of dissolved metals are fewer and contradictory including both efficient removal and significant leaching (e.g. Muthanna et al., 2007; Søberg et al., 2017).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Dissolved metal adsorption capacities and fractionation in filter materials for use in stormwater bioretention facilities

et al. 2019

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“…Bioretention performance in cold climates received specific attention, with a review article published on the topic(Kratky et al, 2017) and a large-scale bioretention lysimeter study conducted in Finland which demonstrated winter road salt applications were associated with reduced retention of Al and Cu. Similarly,Søberg et al (2017) found that salt mobilized Cu and Pb, but that inclusion of internal water storage (IWS) mitigated the effect. To enhance understanding of metal removal performance in bioretention systems, a lumped, mechanistic model of breakdown, accumulation and leaching of Cu, Pb and Zn was developed and validated with bioretention experimental data(Kabir et al, 2017).…”

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confidence: 96%

Urban Stormwater Characterization, Control and Treatment

Moore

Rodak

Ahmed

et al. 2018

Water Environment Research

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A review of literature related to stormwater runoff characterization and its subsequent management and treatment from 2017 was conducted. The 250 articles summarized herein are organized along three central themes: (1) stormwater quality and quantity characteristics, (2) site-scale stormwater management practices, with a focus on low impact development (LID) and green infrastructure (GI), and (3) watershed-scale performance of stormwater controls. Within each section, common research themes and future work are highlighted.

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Groundwater Impacts from Stormwater Infiltration Practices

Trojan

Gulliver

Fairbairn

2019

Encyclopedia of Water

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Stormwater infiltration practices, such as rain gardens and permeable pavement, are a preferred method for managing stormwater runoff in urban landscapes. These practices, when properly designed, constructed, and maintained, mimic predevelopment hydrology and provide benefits for receiving surface waters. Infiltration practices focus large amounts of runoff into underlying soil and eventually to groundwater. The impact of this intentional recharge on groundwater has been a focus of research in recent years. In this article, we provide an overview of stormwater infiltration practices, discuss impacts of these practices on groundwater hydrology and quality, include a short list of research needs, and provide recommendations for appropriate techniques and conditions for stormwater runoff infiltration.

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Do salt and low temperature impair metal treatment in stormwater bioretention cells with or without a submerged zone?

Cited by 60 publications

References 41 publications

Dissolved metal adsorption capacities and fractionation in filter materials for use in stormwater bioretention facilities

Dissolved metal adsorption capacities and fractionation in filter materials for use in stormwater bioretention facilities

Urban Stormwater Characterization, Control and Treatment

Groundwater Impacts from Stormwater Infiltration Practices

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