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    Post-Digestion P-Recovery

    MagPrex™

    "We've dissolved the partnership with our Germany-based partner to build on the strength of our U.S.-based initiatives and learnings. Changing our nutrient recovery technology's name to MagPrex (previously AirPrex) signifies our commitment to continued 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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    THE BENEFITS

    MagPrex Removes Struvite while Significantly Improving Treatment Efficiency

    Icon-CNP-Polymer
    Reduce Polymer Consumption up to 30%
    Icon-CNP-Disposal
    Reduce Disposal Costs up to 20%
    Icon-CNP-Phosphate
    Reduce Phosphate Recycle Load up to 90%
    Icon-CNP-Maintenance
    Reduce Maintenance Costs up to 50%
    Icon-CNP-Struvite
    Increase Revenue from Fertilizer up to 20%
    Icon-CNP-Sodium-Hydroxide
    No Sodium Hydroxide Required
     
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    Available Literature

    Process

    MagPrex

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    Process

    MagPrex Installations

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    Company

    Advanced Biosolids Treatment

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    Bio

    Centrisys/CNP Company Backgrounder

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    Reprint

    Struvite Solution

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    Reprint

    Nutrient Award

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