Evoqua United States - Canada - EN

Aerobic Systems

Treatment process for raw wastewater or further polishing of pretreated wastewater

Aerobic treatment is a biological wastewater treatment process that takes place in the presence of oxygen. Aerobic biomass converts organics in the wastewater into carbon dioxide and new biomass.

The first step in a wastewater treatment process utilizes primary or mechanical systems to remove large suspended and floating solids. In the next step, called secondary or biological wastewater treatment, high concentrations of naturally occurring bacteria are confined in treatment tankage and combined with protozoa and other microbes to form activated sludge. The activated sludge bacteria break down organic molecules into inert substances creating effluent water suitable for discharge to rivers, lakes or streams.

Evoqua offers aerobic treatment systems for both municipal and industrial facilities looking to treat raw wastewater and/or polish anaerobically pretreated wastewater. Ultimately, further reducing biochemical oxygen demand (BOD), total suspended solids (TSS), nitrogen, and phosphorus. Aerobic treatment systems can also be used specifically to remove nitrogen and phosphorus in the process known as biological nutrient removal (BNR).

High-Quality Effluent

Effluent suitable for direct discharge or water reuse

Chemical Tolerant

Tolerates some disinfection chemicals such as those used in industrial processes

BNR Removal

Capable of biological nutrient removal (nitrogen and phosphorus)

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DAVCO­™ Field-Erected Wastewater Treatment Plants

Turnkey wastewater treatment solutions in months instead of years. 

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OMNIPAC® SBR Field-Erected Treatment System

Fast, durable, advanced wastewater treatment

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Davco™ Retrofit, Rehab, and Replacement Services

Rehab existing plant components to meet operation and safety needs

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Davco™ Field Construction and Services

Leading the industry for over 50 years in providing water and wastewater treatment plant construction, equipment installation, and retrofit and rehab services.

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OMNIFLO® SBR MAX System

Superior Performance Under Demanding Conditions.

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OMNIFLO® SBR System with Jet Tech technology

Proven performance under demanding conditions

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BioSphere® Biological System

Proven fixed-film technology, ideal for BNR upgrades, and capacity expansions

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BioSphere® MBBR / IFAS Biological Treatment System

MBBR is a proven fixed-film technology, ideal for industrial applications and a complimentary biological process with other treatment technologies such as Dissolved Air Flotation solutions

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ADI® Membrane Bioreactor (MBR)

An advanced activated sludge treatment system utilizing Membrane separation.

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ADI® Sequencing Batch Reactor (SBR)

Reduce organic matter found in wastewater with Evoqua's sequencing batch reactors (SBR).

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