MBBR (Moving Bed Bio Reactor)

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MBBR is an improved version of Fixed Film Bio Reactor like SAFF (Surface Area Fixed
Filmed Technology (SAFF) or Rotating Bio Reactor (RBC), with a difference of MBBR
carrier media is free floating in the Sewage/Effluent. MBBR technology employs
thousands of polyethylene biofilm carriers operating in mixed motion within an aerated
wastewater treatment basin.
A Moving Bed Biofilm MBBR reactor consists of a tank with submerged but floating
plastic (usually HDPE, polyethylene or polypropylene) media having specific gravity less
than 1.0. The large surface area of the plastics provide abundant surface for bacterial
growth.
Advanced MBBR: For high BOD Degradation (Usually less than 5-6mg/ltr) Brisanzia
provides special Porous spherical beads Media made-up of Poly Vinyl Alcohol (PVA
GEL) which provides high surface area for Microbial growth.

Advantages:
MBBR is stable under load variations, insensitive to temporary limitation and provides
consistent treatment results Its generates low solids and requires no or minimum
polymer for solid/liquid separation.
It requires a small footprint. Typically it requires 1/3rd the space required for Activated
Sludge Process.
It is easy to operate, has automatic sludge wasting, has no sludge Return and no MLSS,
and there no issue of media clogging.

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