Van Remmen UV Technology
Advanox stands out in removal of pharmaceutical residues from wastewater Utrecht
In cooperation with HDSR and GMB, Van Remmen tested the Advanox system for the removal of pharmaceutical residues from wastewater. The results were convincing: Advanox proved to be more energy-efficient, sustainable and cost-effective than traditional techniques.
A major challenge for water authorities
Pharmaceutical residues are a growing problem in surface water. Despite occurring at low concentrations, they have demonstrable negative effects on aquatic life and may impact public health. New European legislation therefore imposes stricter requirements on the removal of these micropollutants, forcing water authorities to make future-proof choices.
A major test for Advanox
At the Utrecht wastewater treatment plant (WWTP), the Advanox system was tested as a fourth treatment step. A compact Advanox Flow reactor, housed in a 20-foot shipping container, was connected to the existing sand filter. Using UV-C light and hydrogen peroxide, pharmaceutical residues are broken down into harmless substances. Performance was monitored in accordance with the STOWA methodology.
Impressive results
Thanks to an innovative reactor design, energy consumption was reduced by 35% to approximately 0.10 kWh/m³. At this level of energy use and with a hydrogen peroxide dosage of 20 ppm, a removal rate of 86% was achieved—well above the 80% required by the EU directive. Total treatment costs amounted to €0.10–€0.12 per m³, including operational costs.
Advanox proves to be a sustainable choice
When powered by green electricity, Advanox has a minimal carbon footprint and poses no risk of harmful by-products such as bromate or NDMA, unlike ozone. Compared with activated carbon technologies, its environmental impact is lower.
From new kid to first choice
This demonstration confirms Advanox as a future-proof solution for large-scale removal of pharmaceutical residues. The system is now also being applied in Oosterwold and is rapidly evolving from a ‘new kid’ into a credible first choice.
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