Ballasted Clarification

The fastest and most reliable settling floc systems available

Ballasted clarification dramatically increases biological treatment capacity, helping meet EA limits and produce effluent quality far superior than conventional alternatives, and at lower life-cycle costs. In particular, ballasted clarification is applied in Phosphorus removal applications where extremely low Phosphorus limits can be achieved without the need for further filtration treatment.​

Ballasted clarification uses magnetite - fully inert iron ore particles - to ballast biological floc or conventional chemical floc, enhancing settling rates and increasing the performance of wastewater and water treatment facilities, while substantially reducing costs to upgrade process performance. The ability to handle a wide variation in flows and loads minimizes the risks of upsets.

Many of the applications for ballasted clarification are custom designed for specific applications. In many cases these applications are part of a retrofit solution for an existing plant to expand capacity and/or improve effluent quality.

Better Effluent Quality

BioMag and CoMag systems provide better effluent quality than conventional clarification and in many cases better effluent quality than filtration technologies. In particular very low Phosphorus (< 0.2 mg/l) can be achieved as a result of applying these technologies.

Reduce Footprint

BioMag® systems provide double the treatment capacity within the existing Activated Sludge Process (ASP)

Increase Treatment Capacity

CoMag® systems settle floc up to 10 times faster than conventional treatment

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Featured Case Studies

CoMag® System Provides Immediate Results
Case Study Case Study

CoMag® System Provides Immediate Results

Providing a company with a second tertiary treatment system

Evoqua's installs ballasted settling technology in a European WWTP
Case Study Case Study

Evoqua's installs ballasted settling technology in a European WWTP

A cost effective solution to meet phosphorus discharge limits for a wastewater treatment plan

Evoqua installs its first BioMag system in a European sewage plant
Case Study Case Study

Evoqua installs its first BioMag system in a European sewage plant

A permanent BioMag system is used to increase output and reduce phosphorus at a sewage treatment works facility

Evoqua is selected for a permanent installation of a CoMag system
Case Study Case Study

Evoqua is selected for a permanent installation of a CoMag system

Cost-effective, permanent CoMag ballasted clarification system installation reduces both total suspended solids and phosphorus