Valorization of Manure Treatment for Poultry and Swine Operators


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Purpose 

Current practices for nutrient removal or recovery of phosphorus focus on chemical precipitation technologies, where the recovered products are low-grade, slow-release, low-value land applied fertilizers. Three significant deficiencies re this process – the cost of recovery is greater than the market value as commercial P fertilizer; the land application of such materials perpetuates the current cycle of pollutant nutrient “leakage” into surface waters; and the approach is not viable to address non-point source pollution or the legacy P present in impaired water bodies.…

The Farm Manure to Energy Initiative: Using Excess Manure to Generate Farm Income in the Chesapeake’s Phosphorus Hotspots

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Abstract

Currently, all the Bay states are working to achieve nutrient reduction goals from various pollution sources.  Significant reductions in phosphorus pollution from agriculture, particularly with respect to phosphorus losses from land application of manure are needed to support a healthy aquatic ecosystem. …