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Removal of Micropollutants in Wastewater

Advanced technologies for the elimination of micropollutants: BIOZONE®, PACOPUR®, CARBOPUR®

Discussions regarding micropollutants, substances occurring in very low concentrations (ng/l to μg/l) in water, first commenced around 2000. These micropollutants are mostly not new, but their existence could only be proven with the availability of steadily more effective analytical methodology.

Micropollutants include a wide range of substances of mainly anthropogenic origin and infiltrate both surface and underground water reserves in a number of differing ways.

Due to increasing industrialization, population density, and medication use, a growing number of micropollutants such as hormone-active (endocrine) and pharmaceutical substances, chemicals, and pesticides are entering our ecosystems. This primarily occurs via wastewater disposal and can thus cause damage in this area.

Municipal wastewater treatment plants are not the sole path of input for micropollutants, but certainly the main one.

While state-of-the-art mechanical/biological treatment plants have traditionally focused on the elimination of nutrients (carbon, nitrogen, and phosphorus), their barriers against organic micropollutants are insufficient. However, advanced, proven technologies are already available that can be used effectively in this area.

Pioneering work by WABAG

For more than a decade, WABAG has been involved in R&D aimed at the elimination of micro-pollutants. As a result, WABAG is one of the few companies able to offer all the relevant technologies, such as ozonation and activated carbon  adsorption, as well as their combination:

The removal of micropollutants in wastewater has gained significant importance in recent years. As a pioneer in the field, WABAG has developed suitable processes and successfully implemented additional treatment stages in many plants, mainly in Switzerland, the first country to announce a new regulation for the removal of micropollutants in wastewater .

 

Brochure “Advanced Technologies for the Elimination of Micropollutants”