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Grease Traps & Separators 

Grease Traps & Separators 

Surface water drains normally discharge to a watercourse or indirectly into underground waters (groundwater) via a soakaway. Contamination of surface water by oil, chemicals or suspended solids can cause these discharges to have a serious impact on the receiving water.  
 
Separators are installed on surface water drainage systems to protect receiving waters from pollution by oil, which may be present due to minor leaks from vehicles and plant, from accidental spillage. 

Full Retention Separators 

Full retention separators treat the full flow that can be delivered by the drainage system, which is normally equivalent to the flow generated by a rainfall intensity of 65mm/hr. On large sites, some short term flooding may be an acceptable means of limiting the flow rate and hence the size of full retention systems. 

Bypass Separators 

Bypass separators fully treat all flows generated by rainfall rates of up to 6.5mm/hr. This covers over 99% of all rainfall events. Flows above this rate are allowed to bypass the separator.  
 
These separators are used when it is considered an acceptable risk not to provide full treatment for high flows, for example where the risk of a large spillage and heavy rainfall occurring at the same time is small. 

Forecourt Separators 

Forecourt separators are full retention separators specified to retain on site the maximum spillage likely to occur on a petrol filling station. They are required for both safety and environmental reasons and will treat spillages occurring during vehicle refuelling and road tanker delivery.  
 
The size of the separator is increased in order to retain the possible loss of the contents of one compartment of a road tanker, which may be up to 7,600 litres. 

Wash Down Separator 

The Environment Agency’s PPG13 requires that discharge from pressure washers must discharge to a foul drainage system.  
 
Where there is no foul drainage available, the effluentmust be contained within a sealed drainage system or catchpit for disposal by a licensed waste contractor. 

Silt Trap 

Large quantities of silt can be associated with Wash down areas. The silt trap is used for easy removal of silt either manually or by a waste disposal contractor. 

Grease Traps 

Grease Traps provide an effective and hygienic method of separating fat and grease from waste water flow. Grease traps will, by the removal of fat and grease greatly reduce incidents of blocked drains from catering establishments, improve the performance of septic tanks and field drains and prevent contamination of small sewage treatment plants 
Klargester Grease Traps & Separators 
Conder Grease Traps & Separators 

To request further information on the above products or to ask us to recommend a system that is appropiate to your needs please enquire below.