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Industrial by-products

polluted water. By-product layer with retained contaminant. clean water. Funding provided by. What are the issues?. Computer program for designing P removal structures. Current Construction.

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Industrial by-products

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  1. polluted water By-product layer with retained contaminant clean water Funding provided by What are the issues? Computer program for designing P removal structures Current Construction • Loss of dissolved phosphorus (P) from agricultural, horticultural, urban, and recreational lands to water bodies can promote eutrophication. • Current best management practices are ineffective in reducing dissolved P losses. • Soils built up with P will continue to release dissolved P in runoff for many years after fertilizer applications cease. Input Output • Site hydrology • Peak flow rate • Annual flow volume • Dissolved P level • PSM characterization • P sorption • Safety • Physical properties • Design parameters • Area • Mass of PSM • Depth of PSM • P removal & lifetime • Target P removal (%) • Target lifetime proposed structure location Improving Water Quality With Phosphorus Removal StructuresChad Penn1, Josh Payne1, Delia Haak2, Josh McGrath3 , Jeff Vitale1, and Garey Fox11Oklahoma State University 2Illinois River Watershed Partnership 3University of Maryland Department of Plant and Soil Sciencechad.penn@okstate.edu, 405 744 2746 Green Creek flow direction Model + + poultry houses Runoff Filtration Success Stories Plant optimum soil test P level • Eastern Oklahoma Poultry Farm • High peak flow rates: 16 cfs • Runoff from around poultry houses • Illinois River Watershed • Currently designing for target cumulative removal of 45% over 1 year Industrial by-products Poor water quality Highly sorptive + Disposal $$ Landfill space Economic Justification • Chesapeake Bay Watershed, Centreville, Maryland: Poultry farm runoff • Runoff captured in pond • Pond drainage filters through metal boxes containing steel slag • Initially removed 100% of P; cumulative removal to date is 25% = Use industrial by-products as P sorbing materials (PSMs) to filter pollutants in runoff • Stillwater, Oklahoma • Residential and golf course runoff • Structure treats 150 acres with steel slag • Initially removed 100% of P • Cumulative removal to date is 25% • Currently testing more sorptive material in structure $$ • Periodically replace the spent material • contaminants are actually removed from watershed • removal can be quantified for credit purposes

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