UNDERDRAIN SYSTEMS
Based on Gravity media filtration
Main applications;
• Drinking water
• Municipal water,
• Waste water treatment at tertiary stage.
Within waste water treatment used after a coagulation / flocculation and settling phase.
Most commonly used media;
• Sand : to remove Suspended solids
• Anthracite / CAG : to remove;
Chemicals, particularly organic contaminants,
Chemicals that produce odors or tastes.
PFAS assisted by Carbon Activated Granular
