Circular Clarifier

Circular Clarifiers and Thickeners

New, rebuild, & retrofit designs for nearly all clarifier and thickener applications

Monroe Circular Clarifiers use widely accepted settling technology based on the density difference between water and suspended solids. The Monroe Clarifier is designed to give you the performance you require with long-term reliability. Monroe Environmental realizes that all waste streams are not alike and in many cases standard designs must be modified. Tank sizing, influent and effluent arrangements, flocculation requirements, sludge removal, and skimming methods and mechanisms are some of the considerations necessary for a successful installation.

Circular Clarifier & Thickener Expertise

Clarifier Standard Scraper design

The Monroe Clarifiers are available in self-supporting prefabricated steel units or they can be designed for installation in a concrete tank. Existing structures and systems can sometimes be utilized and upgraded for cost savings.

Circular Clarifiers normally utilize a center feed inlet well or a peripheral inlet. The center feed well design can be equipped with a chemical addition system with mixing and flocculation. With the center feed well, the effluent is discharged along the outer wall of the clarifier tank. Clarifiers with peripheral inlets will be designed with a center bottom liquid outlet.

Monroe Environmental builds primary and secondary clarifiers for municipal wastewater treatment, as well as flocculating clarifiers and solids contact clarifiers for clean water or potable water applications. Our experienced staff will provide high efficiency, low maintenance systems that will provide the highest return on investment.

Circular Clarifiers Engineered to Meet Your Needs

  • Customized designs for municipal and industrial applications
  • Tank diameter 10 to 250 feet
  • Full and half-bridge designs
  • Steel or concrete tanks
  • Chemical feed system available
  • Flocculator available when required
  • Energy Dissipating Inlet (EDI) designs available
    • MEDIC
    • LA-EDI
    • Alternate designs
  • Thickener mechanism available

  • Sludge removal configurations
    • Scraper
    • Spiral scraper
    • Suction header
    • Riser pipe
  • Skimmer mechanisms
  • Corrosion resistant materials and coatings
    • Epoxy coated steel
    • Stainless steel
    • Galvanization
  • Custom built replacement parts for all manufacturers
  • Clarifier rebuilds

Primary, Secondary (Final), Clean Water Treatment, & Thickeners

Sludge Removal Designs

Water & Wastewater Applications

  • Steel processing
  • Oil refineries
  • Food processing
  • Mining wastewater
  • Chemical and petrochemical processing
  • Automotive plant wastewater
  • Plastics manufacturing
  • Municipal treatment plants
  • General water and wastewater treatment
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