Fluidized Bed Wastewater Treatment Apparatus


Fluidized Bed Wastewater Treatment Apparatus




Status: draft

25 May 2005
  • column
  • maintained
  • sections
  • bed
  • flow

A fluidized bed reactor for removing phosphorus and nitrogen from wastewater has a column comprising a number of sections. The diameter of the column changes stepwise between the sections. A flow velocity in excess of 100 cm/min is maintained in a lowermost one of the sections and lower flow velocities are maintained in subsequent sections. A struvite supersaturation ratio is controlled in part by recycling wastewater from an outlet of the column. Struvite pellets are removed periodically from the bottom of the column.

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