Phosphorus sorbing materials: sorption dynamics and physicochemical characteristics

Journal of Environmental Quality
J W LeaderK R Reddy

Abstract

The effectiveness of various management practices to reduce phosphorus (P) loss from soil to water can potentially be improved by using by-product materials that have the capacity to sorb phosphorus. This study evaluated the P sorption and desorption potential, and the physicochemical characteristics of various phosphorus sorbing materials. Twelve materials were selected and P sorption potentials ranged between 66 and 990 mg kg(-1). Iron, and calcium drinking water treatment residuals (DWTRs), a magnesium fertilizer by-product, aluminum, and humate materials all removed substantial amounts of P from solution and desorbed little. Humate had the highest maximum P sorption capacity (S(max)). Materials which had a low equilibrium P concentration (EPC(0)) and a high S(max) included aluminum and humate by-products. In a kinetic study, the Fe-DWTR, Ca-DWTR, aluminum, and magnesium by-product materials all removed P (to relatively low levels) from solution within 4 h. Phosphorus fractionation suggests that most materials contained little or no P that was readily available to water. Sand materials contained the greatest P fraction associated with fulvic and humic acids. In general, materials (not Ca-DWTR) and magnesium by-product were c...Continue Reading

References

Aug 15, 2002·Journal of Environmental Quality·H A ElliottS Brinton
Jan 5, 2006·Journal of Environmental Quality·Francis ZvomuyaSatish C Gupta
Feb 4, 2006·Journal of Environmental Quality·M L SilveiraG A O'Connor
Jan 12, 2007·Journal of Environmental Quality·Sampson Agyin-BirikorangScott R Brinton

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Citations

Jun 15, 2014·Environmental Science and Pollution Research International·Reza HabibiandehkordiBen W J Surridge
Feb 22, 2018·International Journal of Environmental Research and Public Health·Yihuan Deng, Andrew Wheatley
Oct 8, 2019·Journal of Environmental Quality·Keith ReidPamela Joosse
Oct 3, 2018·Journal of Environmental Quality·Zhixuan QinKathryn C Turner
Nov 13, 2013·Journal of Environmental Quality·Andrew SharpleyPeter Kleinman
May 9, 2012·Journal of Environmental Quality·Chad J PennDerek Heeren
Apr 15, 2011·Journal of Environmental Quality·J A IppolitoH A Elliott
Jul 5, 2017·Environmental Science and Pollution Research International·Wei ChenTaoyuan Chen
Dec 20, 2018·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Cheng ShenDavid Morgan
May 9, 2012·Journal of Environmental Quality·Anthony R BudaWim J Chardon
May 9, 2012·Journal of Environmental Quality·Ray B BryantArthur L Allen
May 9, 2012·Journal of Environmental Quality·Dustin StonerJason Warren
Jun 24, 2009·Environmental Science & Technology·Martin LiiraKalle Kirsimät

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