Industrie De Nora S.p.A. | De Nora Water Technologies

- Advanced Aerobic Biological Treatment System



The TETRA ColOX system is an advanced aerobic biological treatment system which combines the best elements of activated sludge (suspended growth) processes and trickling filter (attached growth/fixed-film) systems with innovative design features to achieve superior performance. Configured as a Submerged Packed Bed Reactor, the ColOX system utilizes both fixed-film and suspended growth biomass, offering.

  • superior BOD oxidation and nitrification,
  • greater efficiency, operational reliability and versatility

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