Post-Digestion P-Recovery

"We've dissolved the partnership with our Germany-based partner to build on the strength of our U.S.-based initiatives and learning. Centrisys/CNP optimized the MagPrex P-removal process for U.S. installations (previously sold as AirPrex in the U.S.) signifying our commitment to continuous innovation and ensures the best efficacy and the best value for all of our North American customers." – Gerhard Forstner, president of CNP

MagPrex Optimizes the Sludge Treatment Process Like No Other System

The Affordable Option Giving All Plant Sizes the Ability to Control Struvite and Recover Phosphorus

MagPrex turns struvite into an opportunity for resource recovery. In wastewater reclamation plants with Biological Phosphorus Removal (BPR), phosphorus accumulates in sludge and releases soluble phosphorus (PO4-P) in an anaerobic condition. Elevated soluble phosphorus levels in sludge causes operational challenges.

Form struvite by stripping out CO2, elevates the pH and adds MgCl2 to augment Mg2+

Install between the anaerobic digester and the dewatering equipment

Convert the orthophosphate into struvite crystals with two recovery options:

• Harvesting: struvite crystals are removed from the digested sludge and used as a beneficial fertilizer
• Sequestration: leave the struvite crystals in the sludge

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