Impact of Biochar on Treatment Performance of Roadside Sand Filters – Field Monitoring and Geochemical Modelling

Eero Assmuth, Nora Sillanpää, Laura Wendling, Harri Koivusalo

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussaConference article in proceedingsScientificvertaisarvioitu

Abstrakti

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.
AlkuperäiskieliEnglanti
OtsikkoNew Trends in Urban Drainage Modelling
AlaotsikkoUDM 2018
ToimittajatGiorgio Mannina
KustantajaSpringer
Sivut79-84
ISBN (elektroninen)978-3-319-99867-1
ISBN (painettu)978-3-319-99866-4
DOI - pysyväislinkit
TilaJulkaistu - 2019
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaInternational Conference on Urban Drainage Modelling - Palermo, Italia
Kesto: 23 syysk. 201826 syysk. 2018
Konferenssinumero: 11

Julkaisusarja

NimiGreen Energy and Technology
KustantajaSpringer
ISSN (painettu)1865-3529
ISSN (elektroninen)1865-3537

Conference

ConferenceInternational Conference on Urban Drainage Modelling
LyhennettäUDM
Maa/AlueItalia
KaupunkiPalermo
Ajanjakso23/09/201826/09/2018

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