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PACT® Biological Treatment Systems 

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    PACT® Biological Treatment Systems

    The PACT (powdered activated carbon treatment) system combines biological treatment and carbon adsorption into a single, synergistic treatment step, resulting in significant cost savings and performance advantages over other systems.

    PACT System
    The PACT system can be used to treat industrial wastewater, landfill leachate and highly contaminated surface water or groundwater. The single-step treatment process results in significant cost and performance advantages over systems such as activated sludge and granular carbon.

    There are many other benefits to using a PACT® system. The powdered activated carbon used in the systems improves the performance of biological systems by stabilizing them against upsets and shock loading. PACT® systems control color and odor, and can reduce costs for residuals disposal and remove soluble organics.With a PACT® system, you will use far less carbon than with a granular system to achieve equal or better treatment. And, you won’t have the problems of prefiltration or column plugging common to granular systems. Further, powdered carbon costs less than granular carbon.

    PACT® systems are at work today at installations around the world, helping users comply with:
    • Regulations for organic chemicals, plastics and synthetic fiber (OCPSF) manufacturing discharges
    • RCRA “land ban” regulations, which forbid land disposal of wastewater, and require treatment of landfill leachates and contaminated groundwater
    • Stringent bio-assay standards for effluent discharges
    • Pre-treatment regulations controlling industrial discharges to POTWs
    • Stringent COD and nitrogen standards for direct effluent discharges
    PACT® systems include retrofits as well as new construction. They range from factory-built units treating 600 to 100,000 gallons a day, to field-erected units treating up to one MGD, to custom-designed systems handling as much as 50 MGD. Both single-stage and two-stage PACT® systems are available in continuous or batch flow configurations.

    PACT® system customers also benefit from more than 30 years of process knowledge, pilot plant testing capabilities and project design expertise of SiemensWater Technologies.
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    Features and Benefits

    • Improved performance of aerobic and anaerobic biological systems by stabilizing them against upsets and shock loading
    • Color and odor control
    • Reduced costs for disposing of residuals
    • Eliminates problems with prefiltration or column plugging

     

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    Contact Us

    Contact Us
    Michele Migliavacca
    Product Manager
    715.355.3505
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    Product Documentation

     Brochures

    PACT Systems brochure
    Landfill Leachate Treatment brochure
    Customer Service brochure

    Technical Reports

    Use of the PACT® System to Treat Industrial Wastewaters for Direct Discharge or Reuse
    The Challenges of Treating a Complex Pharmaceutical Wastewater

    Parts & Services

    Call 800.826.1838 or e-mail Bill Wunsch at william.wunsch@siemens.com

    Highlights

    PACT systems provide cost effective, onsite treatment of landfill leachate.
    Wet Air Regeneration can be used to regenerate spent carbon from the PACT® system.
    PACT systems can be operated as continuous flow or batch-operated systems.

    Featured Case Studies

    Synthetec, Inc., Uses PACT® System to Treat Complex Pharmaceutical Wastewater
    PACT® System Successful on Landfill Leachate, Groundwater in Florida
    PACT® System Helps El Paso, Texas, Reuse Effluent

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