MBR (Attached Growth Process)

MBRMembrane Bioreactor (MBR) combines a conventional activated sludge treatment with a membrane liquid-solid separation process.

The Solid-liquid separation is achieved by Microfiltration (MF) or Ultra filtration (UF) membranes. A membrane is used to separate components of fluids on the basis of their relative size. The capability of a membrane to allow transport of only specific compounds is called semi-permeability. This is a physical process, where separated components remain chemically unchanged. Components that pass through membrane pores are called permeate, while rejected ones form concentrate or retentate. cess)

 Advantages :

  • Smaller footprint.
  • High removal efficiency for nitrogen, BOD & COD,
  • MBR’s can be used for small plants
  • Plant comfortably deals with fluctuations in loads
  • The process is simple – easy to control/ manage
  • Automatic system
  • Low sludge production


  • Municipal & industrial projects
  • Housing Societies
  • Commercial Complexes
  • SEZS
  • Industrial Offices & Park.
  • Small Communities.
  • Hospitals
  • Shopping Centres.
  • Hotels, Resorts, Golf Courses & clubs.


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