Impact of Biochar on Treatment Performance of Roadside Sand Filters

Field Monitoring and Geochemical Modelling

Eero Assmuth (Corresponding author), Nora Sillanpää, Laura Wendling, Harri Koivusalo

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

Roadside filters can be used to treat polluted stormwater. In this study, sand and sand-biochar filters were investigated in full-scale field conditions during three rain events. Stormwater influent and effluent of the filters were sampled with high frequency and up to 29 water quality parameters were determined. The obtained field data was analyzed and used as an input for geochemical modelling. The study showed promising results for both filter types with respect to retention of metals, total suspended solids and total phosphorus. Biochar amendment had clear improvement only for nitrogen removal; some release of organic carbon from biochar filter material was observed. Concentrations of most measured parameters varied considerably during and between the studied events. Geochemical modelling showed that precipitation is one possible removal mechanisms for many pollutants along with sorption and physical filtration.

Original languageEnglish
Title of host publicationNew Trends in Urban Drainage Modelling
Subtitle of host publicationUDM 2018
EditorsGiorgio Mannina
PublisherSpringer
Pages79-84
Number of pages6
ISBN (Electronic)978-3-319-99867-1
ISBN (Print)978-3-319-99866-4
DOIs
Publication statusE-pub ahead of print - 1 Sep 2019
MoE publication typeA4 Article in a conference publication
Event11th International Conference on Urban Drainage Modelling, UDM 2018: UDM 2018 - Palermo, Italy
Duration: 23 Sep 201826 Sep 2018

Conference

Conference11th International Conference on Urban Drainage Modelling, UDM 2018
CountryItaly
CityPalermo
Period23/09/1826/09/18

Fingerprint

Roadsides
Sand
filter
Nitrogen removal
sand
Monitoring
monitoring
Organic carbon
modeling
Water quality
Rain
Phosphorus
Sorption
Effluents
stormwater
Metals
sorption
organic carbon
effluent
phosphorus

Keywords

  • Biochar amendment
  • PHREEQC
  • Stormwater filtration

Cite this

Assmuth, E., Sillanpää, N., Wendling, L., & Koivusalo, H. (2019). Impact of Biochar on Treatment Performance of Roadside Sand Filters: Field Monitoring and Geochemical Modelling. In G. Mannina (Ed.), New Trends in Urban Drainage Modelling: UDM 2018 (pp. 79-84). Springer. Green Energy and Technology https://doi.org/10.1007/978-3-319-99867-1_14
Assmuth, Eero ; Sillanpää, Nora ; Wendling, Laura ; Koivusalo, Harri. / Impact of Biochar on Treatment Performance of Roadside Sand Filters : Field Monitoring and Geochemical Modelling. New Trends in Urban Drainage Modelling: UDM 2018. editor / Giorgio Mannina. Springer, 2019. pp. 79-84 (Green Energy and Technology).
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abstract = "Roadside filters can be used to treat polluted stormwater. In this study, sand and sand-biochar filters were investigated in full-scale field conditions during three rain events. Stormwater influent and effluent of the filters were sampled with high frequency and up to 29 water quality parameters were determined. The obtained field data was analyzed and used as an input for geochemical modelling. The study showed promising results for both filter types with respect to retention of metals, total suspended solids and total phosphorus. Biochar amendment had clear improvement only for nitrogen removal; some release of organic carbon from biochar filter material was observed. Concentrations of most measured parameters varied considerably during and between the studied events. Geochemical modelling showed that precipitation is one possible removal mechanisms for many pollutants along with sorption and physical filtration.",
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Assmuth, E, Sillanpää, N, Wendling, L & Koivusalo, H 2019, Impact of Biochar on Treatment Performance of Roadside Sand Filters: Field Monitoring and Geochemical Modelling. in G Mannina (ed.), New Trends in Urban Drainage Modelling: UDM 2018. Springer, Green Energy and Technology, pp. 79-84, 11th International Conference on Urban Drainage Modelling, UDM 2018, Palermo, Italy, 23/09/18. https://doi.org/10.1007/978-3-319-99867-1_14

Impact of Biochar on Treatment Performance of Roadside Sand Filters : Field Monitoring and Geochemical Modelling. / Assmuth, Eero (Corresponding author); Sillanpää, Nora; Wendling, Laura; Koivusalo, Harri.

New Trends in Urban Drainage Modelling: UDM 2018. ed. / Giorgio Mannina. Springer, 2019. p. 79-84 (Green Energy and Technology).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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Assmuth E, Sillanpää N, Wendling L, Koivusalo H. Impact of Biochar on Treatment Performance of Roadside Sand Filters: Field Monitoring and Geochemical Modelling. In Mannina G, editor, New Trends in Urban Drainage Modelling: UDM 2018. Springer. 2019. p. 79-84. (Green Energy and Technology). https://doi.org/10.1007/978-3-319-99867-1_14