Installation of BioKube small systems.
BioKube small wastewater systems for single houses are very small in size.
BioKube Pluto for a single house is Ø 95 cm.
BioKube Venus for a single house is Ø 105 cm.
BioKube Mars for up to 50 people is only Ø 190 cm.
BioKube Venus beeing installed in Denmark. A BioKube is small and easy to move.
What components go into a BioKube system?
3 main components go into a BioKube system
The picture below show the main components at a system under installation in Cypress where there is a big demand for reuse of the treated water. 
1. The pre-settlement tank.
The pre-settlement tank is the key to a well functioning cleaning process. Sludge should be retained from entering the cleaning units.
In small systems the pre-settlement tank is typically emptied once a year.
For a single house system, the pre-settlment tank shouls be at least 2 m3.
The water flowes from the pre settlement tank to the built in buffetank in the bottum of the Venus. The water will normally simply gravitate from the pre-settlement tank to the cleaning unit.
The pre-settlement tank in the picture is locally built. In many countries the pre-settlment tank will be delivered finished.
2. BioKube system.
The BioKube in the picture is a Venus for a single house.
To keep the system free from biologerical sludge, water will at regular intervals with a airlift pump be pumped back to the pre-settlment tank.
3. Storrage tank and after cleaning.
If the treated water is to be reused then the cleaned water will normally be led to a storrage tank. If water is not used there is a simmple overflow from the storrage tank.
UV lamp beeing changed in a Mars system. 
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Peter Taarnhoj, pt@biokube.dk.