Emerging technologies for removing nonpoint phosphorus from surface water and groundwater: introduction

Journal of Environmental Quality
Anthony R BudaWim J Chardon

Abstract

Coastal and freshwater eutrophication continues to accelerate at sites around the world despite intense efforts to control agricultural P loss using traditional conservation and nutrient management strategies. To achieve required reductions in nonpoint P over the next decade, new tools will be needed to address P transfers from soils and applied P sources. Innovative remediation practices are being developed to remove nonpoint P sources from surface water and groundwater using P sorbing materials (PSMs) derived from natural, synthetic, and industrial sources. A wide array of technologies has been conceived, ranging from amendments that immobilize P in soils and manures to filters that remove P from agricultural drainage waters. This collection of papers summarizes theoretical modeling, laboratory, field, and economic assessments of P removal technologies. Modeling and laboratory studies demonstrate the importance of evaluating P removal technologies under controlled conditions before field deployment, and field studies highlight several challenges to P removal that may be unanticipated in the laboratory, including limited P retention by filters during storms, as well as clogging of filters due to sedimentation. Despite the pote...Continue Reading

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Citations

Jul 16, 2014·Scientific Reports·Ruiqiang Liu, Rattan Lal
Oct 8, 2019·Journal of Environmental Quality·Peter J A KleinmanGary W Shenk
Oct 8, 2019·Journal of Environmental Quality·D R SmithR B Bryant
Nov 13, 2013·Journal of Environmental Quality·Andrew SharpleyPeter Kleinman
May 16, 2013·Journal of Environmental Quality·Jan E GroenenbergGerwin F Koopmans
May 30, 2015·Journal of Environmental Quality·Peter J A KleinmanZachary M Easton
Jun 11, 2019·Journal of Environmental Quality·Mark River, Curtis J Richardson
Jan 21, 2015·Journal of Environmental Quality·H Allen Torbert, Dexter B Watts
May 20, 2017·Water Research·Laura E ChristiansonSteven T Summerfelt
Nov 10, 2017·Environmental Science & Technology·T R DevlinJ A Oleszkiewicz
Jun 28, 2019·Environmental Science & Technology·Heather E GoldenSamson Mengistu

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