Removing Phosphorus from the Watershed

OSU soil chemist Chad Penn discusses why phosphorus build-up can be a problem in the water system and shows a unique device using slag from the steel industry to remove unwanted phosphorus (25% in this case) and how there are opportunities to use the collected phosphorus elsewhere.

To learn more of Penn's study Predicting Phosphorus Sorption onto Steel Slag Using a Flow-through Approach with Application to a Pilot Scale System see it here in PDF.