Filters

Sewage Treatment Plants

20 products

Showing 1 - 20 of 20 products

Showing 1 - 20 of 20 products
View
FREE Delivery*
Graf One2Clean Sewage Treatment Plant For 5 InhabitantsGraf One2Clean Sewage Treatment Plant For 5 Inhabitants
FREE Delivery*
Marsh:ENCO Advanced Sewage Treatment Plant | Enco 6 PersonMarsh:ENCO Advanced Sewage Treatment Plant | Enco 6 Person
FREE Delivery*
Harlequin CAP6 Sewage Treatment PlantHarlequin CAP6 Sewage Treatment Plant
Harlequin CAP6 Sewage Treatment Plant
Sale price£2,500.00 exc. VAT
FREE Delivery*
Harlequin Hydroclear 6 Person Sewage Treatment Plant - HC6Harlequin Hydroclear 6 Person Sewage Treatment Plant - HC6
FREE Delivery*
Graf One2Clean Sewage Treatment Plant For 7 InhabitantsGraf One2Clean Sewage Treatment Plant For 7 Inhabitants
FREE Delivery*
Marsh:ENCO8 Advanced Sewage Treatment Plant | Enco 8 PersonMarsh:ENCO8 Advanced Sewage Treatment Plant | Enco 8 Person
FREE Delivery*
Harlequin Hydroclear 9 Person Sewage Treatment Plant - HC9Harlequin Hydroclear Sewage Treatment Tank Delivery Map
FREE Delivery*
Harlequin CAP9 Sewage Treatment PlantHarlequin CAP9 Sewage Treatment Plant
Harlequin CAP9 Sewage Treatment Plant
Sale price£2,900.00 exc. VAT
FREE Delivery*
Graf One2Clean Sewage Treatment Plant For 9 InhabitantsGraf One2Clean Sewage Treatment Plant For 9 Inhabitants
FREE Delivery*
Marsh:ENCO10 Advanced Sewage Treatment Plant | Enco 10 PersonMarsh:ENCO10 Advanced Sewage Treatment Plant | Enco 10 Person
FREE Delivery*
Harlequin Hydroclear 12 Person Sewage Treatment Plant - HC12Harlequin Hydroclear 12 Person Sewage Treatment Plant - HC12
FREE Delivery*
Marsh:ENCO12 Advanced Sewage Treatment Plant | Enco 12 PersonMarsh:ENCO12 Advanced Sewage Treatment Plant | Enco 12 Person
FREE Delivery*
Graf One2Clean Sewage Treatment Plant For 12 InhabitantsGraf One2Clean Sewage Treatment Plant For 12 Inhabitants
FREE Delivery*
Harlequin CAP15 Sewage Treatment PlantHarlequin CAP15 Sewage Treatment Plant
Harlequin CAP15 Sewage Treatment Plant
Sale price£4,750.00 exc. VAT
FREE Delivery*
Marsh:ENCO16 Advanced Sewage Treatment Plant | Enco 16 PersonMarsh:ENCO16 Advanced Sewage Treatment Plant | Enco 16 Person
FREE Delivery*
Harlequin CAP18 Sewage Treatment PlantHarlequin CAP18 Sewage Treatment Plant
Harlequin CAP18 Sewage Treatment Plant
Sale price£4,950.00 exc. VAT
FREE Delivery*
Harlequin Hydroclear 20 Person Sewage Treatment Plant - HC20Harlequin Hydroclear HC20 Cut Away
FREE Delivery*
Harlequin Hydroclear 30 Person Sewage Treatment Plant - HC30Harlequin Hydroclear Sewage Treatment Tank Delivery Map
FREE Delivery*
Harlequin Hydroclear 40 Person Sewage Treatment Plant - HC40Harlequin Hydroclear Sewage Treatment Tank Delivery Map
FREE Delivery*
Harlequin Hydroclear 50 Person Sewage Treatment Plant - HC50Harlequin Hydroclear Sewage Treatment Tank Delivery Map
While a septic tank simply settles solids and discharges partially treated liquid, a sewage treatment plant uses mechanical components to aerate the waste. This encourages aerobic bacteria to break down the sewage to a much higher standard, resulting in an effluent that is clear and environmentally safe enough to be discharged directly into a watercourse (subject to Environment Agency General Binding Rules).
As of January 2020, UK regulations prohibit discharging septic tank effluent into watercourses. If you cannot discharge to a drainage field (soakaway) or if you are looking for a more eco-friendly solution, a sewage treatment plant is required. They are also often preferred by local authorities for new builds and extensions.
Sizing is based on the 'Population Equivalent' (PE) of the property. For domestic homes, this is usually calculated by the number of bedrooms. A 3-bedroom house typically requires a 5 or 6-person (PE) plant. It is always better to slightly oversize than undersize to ensure efficient treatment during peak usage.
Yes. Most plants use an electric air blower or a mechanical rotor to provide the oxygen needed for the bacteria to thrive. However, these are designed to be highly energy-efficient, often costing no more than a standard lightbulb to run daily.
Even though they treat waste efficiently, non-biodegradable sludge still accumulates. Most plants require professional desludging (emptying) once a year. Regular maintenance of the mechanical and electrical components is also recommended to ensure the plant continues to meet discharge standards.
A 'Gravity' outlet is used when the discharge point (the stream or soakaway) is at a lower elevation than the plant's outlet. If the discharge point is higher or a long distance away, a 'Pumped' outlet (integral pump station) is required to move the treated effluent uphill.
Modern treatment plants are designed to be almost silent, with the air blower usually housed in a sound-proofed kiosk. Because the process is aerobic (using oxygen), it does not produce the foul 'rotten egg' odors typically associated with old-fashioned septic tanks.