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Used Clarifiers in Illinois, USA

  • Trusted Seller
    WaterPlus SPC-20

    WaterPlus SPC-20

    • Manufacturer: WaterPlus
    • Model: SPC-20

    20 GPM Clarifier with Flash Tank Mixer and Flocculation Tank Mixer This unit has a nominal flow capacity of 20 gpm. It has a liquid volume of 389 gallons and the retention time at maximum flow rate is 19.5 minute...

    Loves Park, IL
  • Trusted Seller
    WaterPlus SPC-40

    WaterPlus SPC-40

    • Manufacturer: WaterPlus
    • Model: SPC-40

    40 GPM Clarifier with Flash Tank Mixer and Flocculation Tank Mixer This clarifier can be used to treat a variety of raw water applications. It's primary use is for raw brackish waters with high TSS where settling...

    Loves Park, IL
  • Trusted Seller
    WaterPlus SPC-80

    WaterPlus SPC-80

    • Manufacturer: WaterPlus
    • Model: SPC-80

    Clarifier 80 GPM with Flash Tank Mixer and Flocculation Tank Mixer This clarifier can be used to treat a variety of raw water applications. It's primary use is for raw brackish waters with high TSS where settling...

    Loves Park, IL
  • Krofta SPC62 Clarifier – 62'

    Krofta SPC62 Clarifier – 62' Diameter, 9200 GPM, 304 SS, Scoop Discharge, Air Tubes, Chemical Pump

    • Manufacturer: Krofta
    • Model: SPC62

    10151556 Used Krofta Clarifier, Model SPC62. 62' diameter; Rated 9200 GPM; 304 stainless steel construction; With scoop discharge; Has (3) air distribution tubes, chemical pump.

    Belvidere, IL
  • HydroFloTech ClariMax Inclined Plate Clarifier

    HydroFloTech ClariMax Inclined Plate Clarifier – 500 GPM, PSA 2500 ft², Skid-Mounted

    • Manufacturer: Hydroflow

    54048003 HydroFloTech ClariMax Inclined Plate Clarifier 500 GPM, PSA 2500 ft, Skid-Mounted, Model CMCIPC-2500-2.0-HP. Specially fabricated multiple chamber plate pack system; 55 degree sloping walls; Serviceable...

    Belvidere, IL
  • HydroFloTech ClariMax 500 GPM Inclined

    HydroFloTech ClariMax 500 GPM Inclined Plate Clarifier – 2500 sq. ft. PSA, Skid-Mounted with Pumps & Tank

    • Manufacturer: Hydroflow

    54048001 Used HydroFloTech ClariMax 500 GPM Inclined Plate Clarifier 2500 sq. ft. PSA, Model CMCIPC-2500-2.0-HP. Specially fabricated multiple chamber plate pack system; 55 degree sloping walls; Serviceable and ...

    Belvidere, IL
  • 500 GPM Inclined Plate Clarifier

    500 GPM Inclined Plate Clarifier – HydroFloTech ClariMax with Polymer & Sludge Pumps

    • Manufacturer: Hydroflow

    54048002 Used 500 GPM Inclined Plate Clarifier HydroFloTech ClariMax with Polymer & Sludge Pumps, Model CMCIPC-2500-2.0-HP. Specially fabricated multiple chamber plate pack system; 55 degree sloping walls; Servi...

    Belvidere, IL

Overview

Clarifiers are settling tanks used in water and wastewater treatment to separate suspended solids from liquid by gravity. They come in circular or rectangular designs with mechanical scrapers, sludge rakes, and scum removal systems. Clarifiers are essential for primary and secondary treatment stages, controlling solids loading, and producing clearer effluent before further treatment or discharge.

FAQ

What should I check when buying a used clarifier?

Inspect tank shell and floor for corrosion, cracks, or repairs; check scraper arms, bearings, gearboxes, and drive motors; review maintenance records and solids handling history; confirm dimensions, capacity, and weir type to match your flow.

How are clarifiers typically shipped?

Large tanks or complete units may require disassembly and transport on lowboys or flatbeds. Remove or secure scraper arms, drives, and electric panels. Verify lifting points, overall dimensions, and local permits before booking transport.

What site preparation is needed for installation?

Prepare a reinforced concrete foundation or ringwall with anchor bolts and level bearing surface. Provide electrical supply, access platforms, piping tie-ins, and adequate crane access for reassembly and alignment.

What regular maintenance should I plan for?

Daily visual checks for leaks and unusual noises; weekly scraper and weir inspections; monthly gearbox oil checks and bearing greasing; annual full inspection of structure, welds, drives, and sludge removal system.

Which spare parts wear out fastest?

Wear items include scraper seals, bearing kits, sprockets/chains, gearbox components, drive couplings, weir seals, and level sensors. Keep common spares on hand to minimize downtime.

How do I verify clarifier performance before purchase?

Request recent operational data: influent/effluent TSS, overflow rate (gpd/ft2 or m3/m2·day), sludge blanket behavior, and run a site demonstration or third-party inspection if possible.