Bi-filtre planté®
The Bi-filtre planté® is a reed bed filter treatment process with one visible stage since the second one is located underneath the first one.
- A unique, innovative process, protected by a European patent
- Over 55 Bi-filtre planté® installed
- Special filtering material: pouzzolane.
Advantages
- Optimal use of land area
- 15 - 20% less expensive
- Less sensitive to frost (thus better adapted to harsh climates)
- Enhanced nitrogen treatment
- Increase in sludge storage capacity
- Simplified, economical operating method
