Product Description


BIOPAQ AFR - anaerobic COD removal of fat containing wastewater by Paques

Wastewater with fats, oil and grease and/or solids such as proteins and starch, can effectively be treated in the BIOPAQ®AFR. This anaerobic flotation reactor (AFR), with an effective sludge retention system, is an all-in-one system that converts organic compounds into valuable biogas.

Wastewater from the food industry is especially suitable. The compactly designed bioreactor treats wastewater with a COD content from 5-70 g/l with vegetable or animal fats at hydraulically short retention times from 1-8 days.

The intensive contact between the open bacteria flocks and the organic compounds in combination with the biomass retention in the integrated flotation unit is the success factor for this technology.


Advantages of BIOPAQ®AFR

  • Considerably reduces discharge costs, with 90-95% COD removal in most cases
  • Produces valuable biogas
  • Combines the best characteristics of the compact high rate anaerobic reactors and the CSTR
  • Is a compact reactor: short hydraulic retention time and long biomass retention
  • Requires no acidification or solids separation up front
  • Has no odour emission because of its closed design


Typical influent characteristics

Paques - BIOPAQ AFR - Typical influent characteristics


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