Description:

Fludised Media Reactor:

FMR system is a Single Tank Design Unit consisting of:

  • FMR aeration tank with floating media
  • Lamella Settler
  • Chlorine Contact Tank

Treatment Scheme With FMR:
(Schematic diagram / Process Flow Sheet)

Features of FMR Media:

  • High Surface Area
  • High physical & chemical resistance
  • Low Annual Losses (3-5%)
  • Good biomass retention capability

FMR Advantages:

  • Significant reduction in space requirement due  to its single tank design and compactness
  • Reduced power due to elimination of sludge recirculation
  • No moving mechanical parts, less maintenance
  • Increased SRT and hence well nitrified effluent and low sludge volumes
  • Easy up gradation and extension of existing waste water treatment plants

FMR Performance:
 

Parameters

After Chlorination

After Filtration

BOD mg/l

< 30

< 5

COD mg/l

< 100

< 50

TSS

< 30

< 5


Advantages over FAB:
  • FMR has fewer tanks than FAB. Hence, it is more compact
  • FMR occupies less area than FAB (FMR requires 25% less area than FAB)
  • FMR adopts lamella technology for settling which is more efficient and superior than tube settler of FAB
  • Lamella plates can be easily cleaned while the unit is in operation. Tube settler cannot be cleaned online
  • Tube settlers are more prone to clogging
Advantages over Eco-Cell:
  • FMR is a biological process which is close to the nature. ECO-CELL is a physico-electro-chemical process requiring to dose various chemicals like polymers, salt and consumable electrodes. Life of electrode is 2 to 3 months approx.
  •  FMR does not alter TDS level of sewage whereas ECO-CELL increases TDS of the treated sewage which is not good for the plants
  •  As ECO-CELL depends only on chemcial process for BOD/COD reduction, it cannot efficiently remove them and hence cannot produce high quality treated sewage
  •  The electrodes gets scaled and becomes inefficient in its performance requiring very frequently maintenance.
Water Quality:
  • Raw Sewage
  • Areation tank
  • FMR Outlet
  • ACF Outlet

Features:

Fludised Media Reactor:

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