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MetaMateria - Model PO4 -Sponge
The product uses nanotechnology to provide more sites for capture of phosphorus. Capacity is overwhelmingly higher than other natural and manufactured products. Once saturated, phosphorus can be removed and the product reused multiple times. PO4 sponge removes soluble phosphorus at both high and low concentrations and is effective for treating waste water or lower concentrations found in lakes, streams and agriculture water runoff.
PO4 Sponge has a high capacity to capture soluble reactive phosphorus, typically 5-10 times more than other absorptive media. This can range from 25 g-P/kg-media at low levels to over 70 g-P/kg at higher concentrations. Performance comes from nano-iron oxyhydroxide acicular crystals grown on a high surface area platform (micrograph) that increase the surface area from15 m2/gram to over 100 m2/gram. Soluble PO4 ions are absorbed by the many sites available. Phosphorus is removed well below 0.1 mg/L (0.1 ppm) and testing shows phosphorus continues to be absorbed over extended periods. Phosphate ions can be chemically removed and media reused and PO4 ions recovered as phosphate compounds.