Rotating Biological Contactors
Typical Rotating Biological Contactor (RBC) types of treatment units of differing ages.

Single RBC installation.
Multiple RBC units installed on a site.

2 RBC units installed on a site.
Large diameter RBC units.

2 No RBC units with separate humus tanks.
Humus tank end of an RBC unit.
Heavy Biomass growth on a RBC unit
We thank all contributors for the permission to use their photographs but if there are any person/companies which should be recognised and thanked please advise us as soon as possible and this will be corrected.