Tertiary Effluent Filtration with Enrodisc Rotary Disc Filter

Tertiary Effluent Filtration with Enrodisc Rotary Disc Filter

Tertiary Effluent Microfiltration: Meeting EU Water Mandates with Endemic Enrodisc

As the demand for clean water grows, so does the need for innovative solutions to comply with stringent environmental regulations. The European Union Water Framework Directive (2000/60/EC) and other EU water mandates require wastewater treatment plants (WWTPs) to ensure effluent quality meets high standards before discharge or reuse. A critical part of achieving compliance is the implementation of tertiary microfiltration, especially for the removal of suspended solids from secondary clarifier effluents. The Endemic Enrodisc Microfiltration System offers an advanced and sustainable solution to help facilities align with these regulations.

EU Commission Water Mandates: The Need for Tertiary Microfiltration

The EU Water Framework Directive and subsequent legislation, including the Urban Waste Water Treatment Directive (91/271/EEC), emphasize the importance of reducing pollutants in treated wastewater. Key requirements include:

1. Removal of Suspended Solids: Tertiary treatment is essential to achieve the target levels of total suspended solids (TSS), ensuring compliance with EU standards.

2. High-Quality Effluent for Reuse: Treated water must be suitable for reuse in agriculture, industrial processes, or safe discharge into sensitive aquatic environments.

3. Advanced Treatment Requirements: Secondary treatment alone often fails to meet the necessary thresholds, necessitating the use of tertiary filtration technologies like microfiltration.

Role of Microfiltration in Tertiary Effluent Treatment

Microfiltration is a membrane-based process designed to remove fine particles, including:

• Suspended solids that contribute to turbidity.
• Microbial contaminants like bacteria and protozoa.
• Particulate-bound nutrients and metals.

By targeting these impurities, microfiltration ensures compliance with both EU water quality mandates and site-specific discharge requirements.

Endemic Enrodisc: Advanced Tertiary Microfiltration

The Endemic Enrodisc Filtration System is a cutting-edge solution specifically designed for tertiary effluent treatment. It integrates seamlessly into WWTPs, particularly after the secondary clarifier, to provide robust and reliable microfiltration.

Key Features and Benefits

1. Efficient Suspended Solids Removal:

   • Reduces TSS to levels below 10 mg/L, exceeding EU discharge requirements.

2. Energy-Efficient Design:

   • Operates with minimal energy input, aligning with EU sustainability goals.

3. Compact and Modular:

   • Fits into existing treatment infrastructures without extensive modifications.

4. Automatic Backwashing:

   • Ensures continuous operation and extends membrane lifespan.

5. Compliance Support:

   • Helps facilities meet Urban Waste Water Treatment Directive and Circular Economy Action Plan goals.

Integration with Secondary Clarifiers

Placing the Endemic Enrodisc System immediately after the secondary clarifier optimizes its performance by processing clarified effluent. This setup ensures:

• Maximum removal of fine particles and residual solids.
• Improved quality of effluent for downstream uses or sensitive environmental discharge.
• Enhanced efficiency of nutrient removal processes.

Applications of Tertiary Microfiltration

1. Municipal Wastewater Treatment:

   • Ensures compliance with urban discharge limits and promotes water reuse in landscape irrigation.

2. Industrial Wastewater Treatment:

   • Facilitates safe water reuse in cooling towers, boiler systems, and cleaning operations.

3. Agricultural Irrigation:

   • Provides clean water for crop irrigation, reducing dependence on freshwater resources.

EU Compliance and Future Outlook

Adopting advanced tertiary treatment systems like the Endemic Enrodisc is critical for facilities striving to meet EU mandates. The European Green Deal and Zero Pollution Action Plan emphasize the need for cleaner wastewater treatment technologies. By investing in microfiltration, WWTPs can not only ensure regulatory compliance but also contribute to broader environmental goals, such as:

• Reducing water pollution.
• Promoting water reuse in line with circular economy principles.
• Mitigating climate change impacts on water resources.