MBBR - Moving Bed Biofilm Reactors for Wastewater Treatment
MBBR - Moving Bed Biofilm Reactor
is derived from the Conventional Activated Sludge Process. It
utilizes suspended growth activated sludge process and fluidized
attached growth biofilm system.
Packing media (carriers) with large surface area is used in aeration
tanks and biofilm growth will take place around and inside the
packing materials. Due to the large surface area provided by the
suspended packing media, the MBBR process is able to take higher
MBBR technology is a good choice for upgrading/retrofitting existing
activated sludge plants to achieve higher capaicity and better
To prevent the suspended packing used in the MBBR reactors from
going into the downstream clarifiers, screens are usually required
at the exit to the clarifier. Air-lift pumps may also be used
to recirculate the suspended packings back to the front section
of the reactor.