Revised Application technology degassing in the Food & Beverages sector

Degassing or sparging with gas

Sparge the liquids with inert gases in order to prolonged shelf life of food product.


Dissolved oxygen can be removed from liquids by bringing into close contact with an oxygen-free atmosphere, which usually consists of nitrogen or carbon dioxide. The dissolved oxygen diffuses out of the liquid into the gas atmosphere until an equilibrium has been reached. The effectiveness of this oxygen depletion depends both on the closest possible contact between the liquid and the inert gas (size of the exchange surface), as well as on the contact time available for the gas exchange. So-called sparging is usually applied in a transfer line between the storage tank and the processing step. A good flushing system produces extremely small nitrogen bubbles. This application can be used for several products like edible oils, baby food and a variety of beverages.


  • Longer shelf life
  • Distinctive character remains intact
  • Simple, cost-effective equipment
  • Equipment has a dual function, used to remove oxygen and for carbonating
  • Longer product shelf-life
  • Cost savings

The supply of gas is particularly economical and environmentally friendly thanks to Messer's EcoVap process.

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Customer process degassing in the Food & Beverages sector


Reducing the oxygen content in soft drink products

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