Upflow Anaerobic Sludge Blanket Reactor (UASB)


Upflow Anaerobic Sludge Blanket Reactor (UASB)

  • The UASB system is one of the highest efficiency anaerobic process available on the market. It is selected for POME treatment over conventional anaerobic lagoon systems because
    • It offers the highest volume of anaerobic gas generated per m3 of POME
    • Lower capital cost compared with other high rate anaerobic technologies (Liquid Waste Digester/ EGSB)
  • The UASB system is expected, based on the feed water assumptions, to produce anywhere from 2 – 4 MWhrs of biogas continuously as it processed throughout the day. It is expected to remove approximately 85% of the COD in the post DAF wastewater.
  • The UASB works by growing high density anaerobic granules which consume the organic material in the waste as part of a fluidized bed bioreactor.

UASB Flow Schematic

UASB Flow Schematic