Rotating Biological Contactors

Photograph of a RBC unit illustrating a small site serving 36 persons.

Change in colour of growth of biomass along shaft length.

Photographs of a RBC system of forward bucket feed of liquors along shaft of unit and media pack system built onto shaft.

Units Installed below general ground level

Some very limited access room around unit, but fencing not complete.

View looking down onto unit showing very limited access for maintenance.

Limited access room around biodisc unit.

General view of Biodisc type of unit installed below ground.

View of Biodisc with additional humus tank.

Additional humus tank with inadequate barriers and access.

A modern type of Biodisc unit

Interior of a modern type of Biodisc.

Fairly low profile covers to a modern type of Biodisc.

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