The study examined several options for material mixtures in bioretention cells to keep water cleaner and cut down on pollution into urban storm sewers.
If iron fillings are mixed with soil media in bioretention cells, will they retain phosphorus without hindering plant growth?
Iron fillings are inappropriate for bioretention cell media because they leach out as particulates, cement the soil, and reduce plant growth. Iron fillings did not significantly retain phosphorus.
Year of Grant Completion
Logsdon, Sally D. and Sauer, Pat, "Column study to access bioretention cell filter mixtures for urban stormwater management" (2014). Leopold Center Completed Grant Reports. 476.