FMR Vs. SAFF

The FMR works on the same principle as the submerged fixed film process (SAFF) with only one exception - the media is not fixed and floats around in the aeration tank. The main advantage of this system over the submerged fixed film process is that it prevents choking of the media. Compared to conventional technologies the FMR is compact, energy efficient and user friendly. It also allows flexibility in design of the reactor tank. The advantages of the FMR are many –

• Attached growth process, with specially designed moving media.

• Compact and modular design. Requires less space
  

• Minimal pumping and chemical cost, low operating cost.
  

Fixed media in SAFF is very costly. Its called Bio Deck and sold at a rate of Rs.4000 per cu mtr at Delhi. So replacement or repair is a costly issue.

FMR is an advanced version of the SAFF which uses a floating media to avoid the practical choking problem of media in SAFF.

 

 

 

Saleem Asraf Syed Imdaadullah
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