The sand filter meets stringent discharge consent standards above what is normally expected from a biological process or an industry standard clarifier.
The sand filter will remove typically a minimum of 60% SS and 40% BOD dependent on particle size distribution. The waste backwash water is then returned to the plant for co-settlement and re-treatment.
Backwash removes solids trapped in sand filter media
No need to inhibit inflow to filter during backwash cycle
Minimal serviceable parts reduce planned and reactive maintenance risks
Timed backwash sequence combines air scour and backwash
Backwash pump for sludge discharge to ensure minimal manual intervention required
Above and below ground installations
Influent can flow by gravity or pumped into the filter unit
Single unit can cope with population equivalents up to 600PE
For higher populations the sand filters can be linked in parallel
Influent can flow by gravity or pumped into the filter unit
Retrofit for an existing system failing discharge consent conditions, for both SS and BOD
Manufactured in glass reinforced plastic (GRP)
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WCS Group is a trading name for WCS Environmental Ltd, registered in England and Wales (Number 02184649) at 20 Grosvenor Place, London, SW1X 7HN. Head Office – 17 Wheatstone Court, Waterwells Business Park, Gloucester, GL2 2AQ. WCS Group is a Marlowe Critical Services Company owned by Marlowe plc. 2023© WCS Environmental Ltd.