Advanced Waste Water Treatment Plant Upgraded for Micropollutant Removal in Switzerland
The Porrentruy waste water treatment plant has undergone a major upgrade to meet Switzerland’s revised Water Protection Act, which mandates the removal of micropollutants from municipal wastewater. As a critical municipal wastewater treatment plant, the facility now incorporates an advanced fourth-stage treatment solution designed to eliminate organic micropollutants that conventional systems cannot adequately remove.
Municipal Wastewater Treatment Plant with Next-Generation BIOZONE® Technology
This municipal wastewater treatment plant integrates the proprietary BIOZONE® process — a combined ozonation and bioactive filtration system engineered to achieve the highest removal efficiency of trace organic contaminants. As micropollutants increasingly impact surface and groundwater quality, this technology ensures Porrentruy remains a benchmark for sustainable wastewater purification.
Waste Water Treatment Plant with Enhanced Environmental Protection for Local Water Bodies
By integrating a specialized ozonation system followed by bioactive filtration using anthracite-based deep-bed filters, the upgraded sewage treatment plant significantly strengthens environmental protection efforts. The system removes pharmaceuticals, pesticides, personal care chemicals, and other micropollutants that traditionally pass through a sewage treatment plant untreated.
A Model Sewage Treatment Plant Delivering Compliance, Innovation, and Water Quality Security
As Switzerland intensifies its focus on safeguarding freshwater ecosystems, this waste water treatment plant positions itself among leading wastewater treatment companies implementing future-ready treatment solutions. The fourth-stage upgrade ensures regulatory compliance, improved ecological status of downstream water bodies, and long-term protection of natural resources.
Engineering & EP Scope for the Porrentruy Waste Water Treatment Plant
WABAG executed a full EP scope covering design, engineering, supply, and installation of electromechanical equipment, followed by commissioning of the complete fourth-stage treatment module. This ensures seamless integration between existing biological treatment processes and the new micropollutant removal technology.
BIOZONE® Technology for High-Efficiency Micropollutant Removal
The BIOZONE® treatment system consists of controlled ozone generation, optimized ozone contact for breaking down complex contaminants, and effective destruction of residual ozone before filtration. This ensures the municipal wastewater treatment plant meets Switzerland’s stringent removal targets for organic micropollutants.
Advanced Filtration for Final Polishing of Treated Effluent
A single-layer deep-bed filtration system using anthracite media provides additional biological activity and particle removal, ensuring fully polished effluent. This final polishing step enhances water clarity, improves chemical parameters, and ensures treated water discharged into the environment meets high-quality standards.
Environmental Impact on Surface and Groundwater Systems
By eliminating a large portion of micropollutants entering surface and underground water reserves, the sewage treatment plant contributes significantly to improving ecological health. This reduces long-term risks for aquatic organisms and supports Switzerland’s commitment to maintaining clean and safe water resources.
A Forward-Looking Example Among Wastewater Treatment Companies in Europe
The Porrentruy upgrade demonstrates WABAG’s leadership among wastewater treatment companies implementing specialized micropollutant removal infrastructure. This project reflects Switzerland’s progressive environmental strategy and WABAG’s capability to deliver innovative, high-performance wastewater solutions for future regulatory frameworks.