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Klargester BioDisc -Ā Domestic Sewage Treatment Plant
Our Klargester BioDiscĀ® models have been designed to cater to homes without access to mains drainage. With over 65 years of expertise behind the engineering of this range, we have created a unit that offers silent operation, affordable running costs, no smell and a 7-year warranty (terms apply), providing you with confidence in the system performance.
- Affordable running costs
- No smell
- Silent operation
- 7-year warranty offered on our BA-BC range (terms apply)
- Free site visit to help select the model to meet your needs
- High-performance package treatment plant which will produce effluent qualities which meet local requirements
- Ideal for sites where discharge is to sub-surface irrigation, or to a suitable watercourse
- Four models available
- Low profile covers for minimal visual impact
- Third-party tested to EN12566-3, SR66:2015 (ROI only) and CE marked
- Suitable for homes with up to 18 people
- Affordable service and maintenance plans available, with free commissioning for peace of mind
Primary settlement tank
Wastewater and sewage flows into the primary settlement tank where the large solids are retained for future removal.
The liquor and fine solids then flow into the Biological Treatment Zone 1 where the first stage of treatment occurs.
The liquor is then fed forward at a controlled rate into Biological Treatment Zone 2 for further cleaning.
The clean liquid passes into the final settlement tank where it can be discharged to ground or water course.

Typical Applications for the Klargester Domestic BioDisc product range:
- Single/Multiple Homes
- Barn Conversion
- Small Office Development
- Stable Yard Toilet
- Farms
- Offices
- Third-party tested to EN12566-3
- Third party tested to SR66: 2015 (ROI only)
- CE marked
- Lockable covers
- Fully removable covers to ease maintenance, simplify de-sludging and provide a safe working environment without the need for restricted access provision, a requirement of the Confined Spaces Regulations 1997
- Element / Compound: BioDisc Removal Rate
- BOD5 (Biological Oxygen Demand): 93.7% (20 mg/l)
- COD: 88.3% (873 mg/l)
- Suspended Solids: 93.3% (5 mg/l)
- Ammonium Nitrogen: 87.2% (23 mg/l)
