BioFicient Commercial Sewage Treatment Plant

The BioFicient commercial sewage treatment plant employs a plug flow combination of aerobic and anoxic processes in a fluidised bed arrangement. This operates in conjunction with an advanced system of air diffusers and selected media to deliver optimum levels of purification

As well as catering for large commercial developments, we also offer a bespoke BioFicient solution for up to 1000 PE.
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Product Details

Technical Information
Service and Maintenance
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  • Low maintenance and low running costs, saving time and money
  • Minimal visual impact 
  • Alarm protected
  • Adaptable to specific consent requirements including ‘Total Nitrogen’
  • Low head loss
  • Designed in accordance with EN 12255


  • Minimal footprint area
  • Can be installed in trafficked areas
  • Single piece tank which is easy to install with lower cost

How the BioFicient works

The BioFicient sewage treatment plants employ a plug flow combination of aerobic and anoxic processes in a fluidised bed arrangement. This operates in conjunction with an advanced system of air diffusers and selected media to deliver optimum levels of purification.

This process takes place in three distinct stages:

1. Primary Settlement
This is the initial stage of treatment and simply involves the retention of coarse solids present in raw sewage and wastewater for subsequent gradual breakdown. BioFicient features two chambers to ensure efficient operation with a flow balancing facility.

2. Biological Treatment
Substantial BOD reduction takes place here, where the carbonaceous pollutants are removed by presenting the sewage to the micro-organisms in the presence of oxygen. The treatment is achieved by high efficiency air diffusers continually pumping oxygen through the biological media and fluidised effluent.

3. Settlement
A natural by-product of biological treatment is humus sludge and this is separated for further treatment. The treated effluent is discharged via the outlet.


  34H 38H 42H 47H 55H 67H 80H
Max Flow (m3/per day)* 11.25 15 18.75 22.5 30 37.5 45
Overall Length (m) 7.4 8.1 8.9 9.7 11.2 13.5 15.8
Height (m)              
500mm inlet / 650m outlet invert 3.02 3.02 3.02 3.02 3.02 3.02 3.02
1000mm inlet / 1150mm outlet invert 3.52 3.52 3.52 3.52 3.52 3.52 3.52
1500mm inlet / 1650mm outlet invert 4.02 4.02 4.02 4.02 4.02 4.02 4.02
2000mm inlet / 2150mm outlet invert 4.52 4.52 4.52 4.52 4.52 4.52 4.52
Volume (m3) 34 38 42 47 55 67 80
Weight approx (kg) 3000 3200 3400 3800 4200 4700 5400

*based on 150 litres per person per day.


BioFicient's individual chambers have large dedicated manholes to allow quick and easy maintenance access. Servicing is also simplified as BioFicient's flow control makes it unnecessary to empty the biozones, as is the case with other designs of treatment plant.

As a result, the biozones immediately resume operation following servicing, whilst the influent level is restored. As a result there is no loss of plant performance during periodic maintenance.

Specialist Advice

Delivering high quality effluent requires careful evaluation of the various parameters affecting each scheme. Relatively minor changes may result in the loss of one or more of the required effluent qualities.

Kingspan Klargester's team of technical specialists assess each site’s demands and application and tailor a technical specification to meet the consent requirements.

Plant sizing is not only calculated on current demand but also gauged on potential future loading in order to meet the latest legislative criteria.

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Middle East Product guide

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