Polishing filters

Polishing Filters (Percolation Areas)

bioCycle™ Polishing Filters for Effective Effluent Treatment
Polishing filters exist in the percolation area of a bioCycle™’s wastewater treatment systems and provide an effective way of eliminating any grease and suspended solids that have not been removed by the septic tank itself.They work by allowing wastewater to flow into a distribution box that then channels into a number of pipes. The liquid is transmitted into a gravel underlay which distributes to the soil for further physical, chemical and biological treatment.The design of all bioCycle™ polishing filters is covered by professional indemnity insurance, with each being constructed to specifically for the site. They can also been installed to work with a geothermal heating system.

Subsurface Polishing Filter

Sites that have a good low water table and bedrock levels as well as percolation characteristics will typically have subsurface polishing filters installed.

These are planted just below the surface of the soil and use washed stone to filter out any solids that feed through the pipes.

bioCycle™ Polishing Filters for Effective Effluent Treatment

Raised Polishing Filter

These work in the same way as subsurface polishing filters but are installed on sites where there is a high water table or bedrock. They are placed in a new mound that stands above the normal ground.

The height that such a filter is placed at is dependent on the specific water table of the site.

bioCycle™ Polishing Filters for Effective Effluent Treatment

Subsurface Sand Polishing Filter

On sites that are suitable, subsurface sand polishing filters provide an alternative to soil and have the added benefit of incorporating a chamber of sand below the washed stone filter for additional percolation.

In some circumstances it is possible to use good top soil in the chamber rather than sand.

bioCycle™ Polishing Filters for Effective Effluent Treatment

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