Applications

  • Municipal: Raw: Primary, Primary & Trickling filter, Primary & WAS, WAS, Contact Stabilization, Primary & RBC
  • Municipal: Anaerobically Digested: Primary, Primary & Trickling filter, Primary & WAS, Primary & RBC
  • Municipal: Aerobically Digested: Oxidation Ditch, Primary & Activated, Contact Stabilization, Extended, Primary & RBC, WAS
  • Municipal: Potable Water Plant: Alum Sludge, Lime Softening Sludge, River Water Silt
  • Industrial: Food Processing Wastes, Pulp & Paper Wastes, Chemical Sludges, Pharmaceutical Wastes, Industrial Wastes Processing Sludges, Petrochemical Wastes

Benefits

  • Thorough Screenings Washing

    Wash water is injected through openings in the hollow screw shaft and from a nozzle above the washing zone. The spiral repeatedly compacts and loosens the screenings through at least four cycles, exposing more material for effective washing.

  • High-Capacity Operation

    The EWP continuously washes, compacts, dewaters, and transports large screenings volumes in a single system. Multiple available sizes provide processing capacities of up to 247 cubic feet per hour.

  • Reduced Hauling and Disposal Costs

    Progressive compaction and dewatering reduce screenings volume by 70% to 85% before discharge. Producing smaller, drier loads helps reduce the material requiring transportation and disposal.

  • Premium Washing Performance

    Internal wash-water injection, adjustable multi-cycle washing, and a self-cleaning wedge-wire drain work together to separate organics and remove excess water. The result is cleaner, drier screenings that are easier to handle downstream.

  • Minimized Maintenance

    A cantilevered, large-diameter screw supported by a heavy-duty axial thrust bearing eliminates wear bars and metal-to-metal contact. This design reduces component wear while withstanding high compaction and reversal loads.

  • High Organic Removal

    Repeated washing, compaction, and reversal cycles squeeze out wash water and separated organic material. This process can remove up to 90% of organics from the screenings.