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Klargester BioAir 3 Sewage Treatment Plant 9 Person - Gravity


Sale price £2,875.00 Regular price £2,975.00

The Klargester BioAir 3 Sewage Treatment Plant is a cost-effective solution for domestic wastewater treatment. It is available in both gravity and pumped models and is made from MDPE. This nine-person treatment plant offers advanced aerated technology for exceptional water discharge quality, boasting a BOD5 score of 97.5%.

The BioAir 3 plant has undergone third-party testing to EN 12566-3, ensuring it meets high standards for wastewater treatment. Unlike other treatment plants, it does not use plastic media, making it a more sustainable choice. It comes with an isolator switch and a 3 year warranty as standard.

Sizing your System

BioAir 3: suitable for up to 9 population (up to 7 bedrooms) - black plastic construction


How the Klargester BioAir works

The moving aerated media process used is a compact development of the traditional biological process and provides a more effective and complete means of reducing the loads.

  1. Raw sewage gravitates to the unit where it is received in the primary settlement zone. Here, gross solids and other social debris settle to the bottom of the tank where they remain until the tank requires de-sludging. Settled sewage is displaced from primary zone and enters the first of : two sequential moving aerated media reactors.
  2. Media and liquid circulation in each zone is achieved through the use of a compressor and diffuser, which introduces fresh air into each compartment. The liquor is constantly re-circulated and contacts the moving media and as it does so, it is purified by the microorganisms (biomass) growing on the surface of the media and within the moving liquor. Excess growth of biomass is shed as solid particles into the liquor.
  3. The final settlement tank is where humus solids settle to form sludge. At pre-set intervals, portions of the sludge and liquor are returned to the primary tank for additional treatment.
  4. Final effluent is displaced from the final settlement tank. With regulator approval, it is suitable for discharge to a watercourse or drainage field.

Features & Benefits: Klargester BioAir 3 Sewage Treatment Plant 9 Person - Gravity

  • A nine-person plant available in both gravity and pumped models
  • Made from MDPE, making it cost-effective and highly durable
  • Perfect for shallow dig applications, plus easy to install and operate
  • Suitable for single and multiple homes, as well as light industrial premises
  • Aerated technology helps achieve a BOD5 score of 97.5%
  • Meets rigorous third-party testing standards (EN 12566-3)
  • A sustainable choice that does not use plastic media
  • Includes an isolator switch and lockable child-proof cover
  • 3 year warranty

This treatment plant is perfect for shallow dig applications and has low-level visibility, making it ideal for installation in traffic areas. The lockable child-proof cover is an added safety measure, making it suitable for households with small children or pets.

The BioAir 3 Sewage Treatment Plant offers flexible installation options, making it suitable for single and multiple homes, as well as light industrial premises. It is easy to install and operate, making it a hassle-free solution for all of your wastewater treatment needs.

  • Length - 2.3m
  • Depth - 2.5m
  • Width - 1.7m
  • Free delivery to UK Mainland sites (Scottish Highlands excl., please contact us for a delivery prices).
  • Offloading is the Customers responsibility 
  • Delivery dates are subject to change with respect to product availability