Improved urban stormwater treatment and pollutant removal pathways in amended wet detention ponds

Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Darja IsteničHans Brix

Abstract

Dissolved and colloidal bound pollutants are generally poorly removed from stormwater in wet detention ponds. These fractions are, however, the most bio-available, and therefore three wet detention ponds were amended with planted sand filters, sorption filters and addition of precipitation chemicals to enhance the removal of dissolved pollutants and pollutants associated with fine particles and colloids. The three systems treated runoff from industrial, residential and combined (residential and highway) catchments and had permanent volumes of 1,990, 6,900 and 2,680 m(3), respectively. The treatment performance of the ponds for elimination of total suspended solids (TSS), total nitrogen (Tot-N), total phosphorous (Tot-P), PO(4)-P, Pb, Zn, Cd, Ni, Cr, Cu, Hg were within the range typically reported for wet detention ponds, but the concentrations of most of the pollutants were efficiently reduced by the planted sand filters at the outlets. The sorption filters contributed to further decrease the concentration of PO(4)-P from 0.04 ± 0.05 to 0.01 ± 0.01 mg L(-1) and were also efficient in removing heavy metals. Dosing of iron sulphate to enrich the bottom sediment with iron and dosing of aluminium salts to the inlet water resulted i...Continue Reading

References

Oct 27, 2004·The Science of the Total Environment·R J Hares, N I Ward
May 18, 2005·The Science of the Total Environment·Mary Ellen Tuccillo
Jun 1, 2005·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Christina VohlaUlo Mander
Apr 22, 2009·Water Environment Research : a Research Publication of the Water Environment Federation·Sim-Lin LauMichael K Stenstrom
Aug 25, 2009·Water Science and Technology : a Journal of the International Association on Water Pollution Research·J VollertsenT Hvitved-Jacobsen

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Citations

Dec 18, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Wenting ZhuXin Qian
Sep 30, 2021·Environmental Science and Pollution Research International·Shuting ShenXiwu Lu

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