revised_Application technology boiler feed treatment in the Water utilities sector

Boiler feed treatment with gases

Gases & Mixing equipment for the right dosing


Gases are used for both physical and chemical degasification:


  • Nitrogen is applied under partial vacuum in the Oxygen removal with membrane contacters
  • Hydrogen is used as a reducing agent in chemical-catalytic degassing. In the presence of a palladium catalyst, hydrogen reacts with dissolved Oxygen to form water and does not form any by-products. Because Hydrogen is non-toxic and does not harm the environment, it is a sensible alternative to hydrazine.
  • Oxygen is used to protect against corrosion during neutral operation mode and with salt-free water. Since only a small dose is needed, precise dosage is required. Unlike hydrogen peroxide, pure Oxygen is stable during storage and can be dosed more accurately.
  • By the way, water from alkaline and AVT operation is neutralised with CO2 in an environmentally friendly manner.

The benefits of gas applications at a glance:

  • Environmentally friendly and non-toxic
  • No unwanted by-products
  • Raw materials which are stable under storage


Messer supplies the dosing and injection hardware for Nitrogen, Hydrogen and Oxygen aswell as the required gases.

revised_Customer process boiler feed treatment in the Water utilities sector

Boiler feed water treatment

Meet the quality requirements

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