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CO2 for cooling water

Carbon dioxide as a solution for water cooling towers

February 2021
Gallery CO2 for cooling water 1
Gallery CO2 for cooling water 1


A great alternative to the use of mineral acids is CO2, which exhibits none of the drawbacks of sulfuric and chloridric acids. Moreover, the carbon footprint of the solution will be lowered by avoiding the manufacturing of strong acids combined to the sequestration of part of the CO2 as bicarbonate ions.

Label Date February 5, 2021
From France
Maturity stage Medium and large scale commercialization
Looking For Network, New clients, Visibility, Credibility

The environmental benefits

  • 100% corrosion risk free with CO2 for cooling water.
  • 100% reduced emissions on acid mineral salt byproducts with CO2 for cooling water.
  • Avoided emissions of 113 teq CO2 in one year for the first project.
  • Avoided emissions of 104 t SO4 salts in one year for the first project.
  • Avoided corrosion and replacement of acid storage tanks (30t acid tank in double wall steel).

The Financial benefits

  • 100,000 € savings with acid in an interval of 10 years.
  • 100,000 € savings with services and maintenance in an interval of 10 years.
  • 10,000 € CAPEX savings with acid storage tank purchase every 3 years.

Activity Region

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  • Headquarters
  • Activity

Company Profile

Air Liquide

A world leader in gases, technologies and services for Industry and Health.

View company profile Solution website
Headquarters 75007 Paris, France
Contact the Solution Provider Add to Favorites

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Air Liquide has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.