ASTRASAND® COMPAQT

• ASTRASAND® sand filtration is used in more than 350 facilities for continuous sand filtration of many types of wastewater, with unit capacity varying from only a few to several thousand m³/hour.
• It is a highly efficient system. Interruptions are eliminated through the continuous self-cleaning process of ASTRASAND® COMPAQT, in which the filter bed is cleaned during the filtration operation.
• It is a highly reliable system, which offers a short lead time and a better sand velocity distribution than conventional sand filters.
• With a non-metal tank and use of materials that are resistant to chemicals and corrosion, it also offers lower operational and maintenance costs.
• Small footprint – easy to install in larger treatment systems.

The continuous sand filter ASTRASAND® COMPAQT is developed for different types of water, such as process, waste, surface, cooling and groundwater.

• Polishing of municipal and industrial waste water
• Reuse of water, in combination with polishing, membrane filtration and disinfection
• Direct filtration of surface water with in-line flocculation
• Aerobic biological purification of water, e.g. for MAC and PAC degradation
• Wash water treatment in drinking and process water production processes
• (Biological) side stream filtration of cooling water

Lowest investment costs:

• 30% reduction in height
• Lower cost of ancillary materials
• Shortest lead time
• Flexible size range

Highly efficient, reliable system

• Better sand velocity distribution
• Low risk of plugging
• Worldwide proven filtration process
• Stable performance

Lowest operating costs

• 20% lower energy consumption
• Reduced life cycle cost
• Chemical and corrosion resistant materials
• Lower maintenance costs
• Better carbon footprint