revised_Application technology sewage treatment in the Water utilities sector

BIOX-Capacity Increase of WWTP

Proper dosing of oxygen to manage the biology


With the injection of pure oxygen, a significant increase in the efficiency of existing, overburdened sewage treatment plants is achieved quickly and economically. It ensures compliance to consent levels and makes cost-intensive extension of the activated sludge basins superfluous. Pure oxygen can be used alone or in addition to existing aeration. It avoids the typical oxygen limitation in, for example, high-load basins, selector basins and wastewater treatment plants which treat warm waste water.


The advantages at a glance: 

  • Overall increase in performance of the sewage treatment plant 
  • Sudden high-impact loads and constant overloads are reliably intercepted
  • Safe nitrification
  • Low investment costs and rapid implementation
  • Cost-intensive and protracted expansion of the sewage treatment plant can be avoided
  • For continuous operation or as a temporary measure
  • Economical and flexible


With the BIOX-N process from Messer, the advantages of a pure oxygen supply are fully utilised. Messer offers oxygen supply, hardware and comprehensive process-technological support. We determine your oxygen demand, prepare a process proposal, design the required hardware and support your commissioning. For large-scale trials, temporary needs or short-term emergency measures, we support you as well and supply hardware from our rental pool. 

revised_Customer process sewage treatment in the Water utilities sector

Activated sludge process

Sewage treatment

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