Evoqua United States - Canada - EN

Clarifiers for Primary & Secondary Treatment

Clarification and separation technologies remove suspended solids from wastewater, providing clarified liquid effluent for downstream treatment processes

There are two main types of wastewater clarification; primary and secondary.  Primary clarification removes solids prior to biological treatment. Secondary clarification follows the biological treatment process with the main goal of rapidly returning activated sludge.

Evoqua offers a variety of wastewater clarification technologies for primary and secondary treatment.  Our Rim-Flo® circular clarifiers introduce feed at the periphery of tankage to increase treatment capacity and collect sludge with the our Tow-Bro® hydraulic sludge removal system. The Envirex® Chain & Scraper system from Evoqua includes high-strength non-metallic chain and durable flights to scrape sludge along the floor and skim floating solids.

Circular Clarifiers

Designed for virtually any size or configuration, including modular units for small & intermediate-sized applications

Rectangular Clarifiers

Provides maximum sludge concentrations or floating solids removal, regardless of treatment plant size or application

Retrofit and Rehab Solutions

Increase performance, reduce maintenance & extend equipment life

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Clarification Application
Clarifier Diameter, Minimum: feet
Clarifier Diameter, Maximum: feet
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Envirex® Chain and Scraper Systems

Proven, reliable, and cost-effective sludge collection technology

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Envirex® Chain and Scraper Components

Industry leading sludge collector technology for long-lasting performance

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Chain & Scraper Retrofits & Rehabs

Increase performance, reduce maintenance, and extend the life of chain and scraper systems.

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Envirex® Clarifier Retrofit, Upgrade, and Aftermarket Solutions

Efficient, cost-effective solutions to maintain, rehabilitate and upgrade existing clarifiers

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Clarifier Drive Rebuild and Retrofit Services

Envirex® clarifier drives are designed for long life and low maintenance with rugged cast iron construction, high torque capacity, and a split main gear for servicing.  Keep your clairifer drive operating at peak performance.

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Retrofit Riser Pipe Clarifiers with Tow-Bro® Circular Clarifiers

High performance sludge removal header improves sludge blanket control and settled sludge removal

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Rim-Flo® Circular Clarifier

Clarifiers with proven optimum hydraulic efficiency

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FEDWA Energy Dissipating Inlet

A step up in circular clarifier capacity and efficiency

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Envirex® Conventional Scrapers

Full and half bridge scrapers for primary water and wastewater treament

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Captivator® System

Produce more biogas and consume less energy and space

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