Sorption of phosphorous to Filtralite-P--the effect of different scales

Water Research
Kinga AdámTore Krogstad

Abstract

Sorption of P to the filter material Filtralite-P was examined at a small, medium and large scale. In the small- and meso-scale laboratory models, the sorbed amount of total phosphorus (P) was heterogeneously distributed with more P sorbed in the inlet zone and the bottom layers. The full-scale system had, on the other hand, the highest sorbed concentration in the outlet region. The overall P sorption capacity of the material was 8030, 4990 and 521 mg P kg(-1) Filtralite-P for Box 1, Box 2 and meso scale, respectively. This equals 4.4, 2.8 and 0.29 kg P m(-3) material, respectively. However, the maximum sorption capacities found were 2500, 3887 and 4500 mg P kg(-1) Filtralite-P for the two small-scale box systems and the meso-scale container, respectively. In the full-scale system the overall P sorption capacity of the material was 52 mg P kg(-1) Filtralite-P (0.029 kg P m(-3) Filtralite-P with a maximum sorbed amount of P of 249 mg P kg(-1). Results from both the small- and meso-scale system show that when a constructed wetland (CW) is saturated, i.e. when the outlet concentration has reached its maximum allowed concentration of 1.0 mg P l(-1), only parts of the filter material will have reached the sorption capacity. Sequenti...Continue Reading

References

May 20, 2000·Chemosphere·K C Cheung, T H Venkitachalam
Jun 1, 2005·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Petter D JenssenLasse Vråle
Jun 1, 2005·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Fadi SulimanPetter D Jenssen

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Citations

Jun 23, 2012·Environmental Technology·Inga HerrmannMaria Viklander
Jan 23, 2015·Environmental Technology·C Siobhan DunetsMike Dixon
Aug 19, 2008·The Science of the Total Environment·W M MayesU Mander
Nov 30, 2016·Journal of Environmental Quality·Joseph R Sanford, Rebecca A Larson
Jun 24, 2009·Environmental Science & Technology·Martin LiiraKalle Kirsimät
Oct 2, 2021·Water Environment Research : a Research Publication of the Water Environment Federation·Vandana PatyalKanchan Khare

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