Skip to main content


Benefit from our team expertise of ozone solutions for water treatment and other applications

Ozone (O3) is formed by the combination of three oxygen atoms. An unstable gas with a strong and irritating odor, ozone is corrosive, a strong oxidant and very toxic. Ozone is generally produced by generating high-power electrical discharges in air or in oxygen.

Ask one of our environmental specialists

Michel Epiney

514 949-6529

Send an email


Our teams, drawing on years of expertise in wastewater treatment, have developed an innovative sludge reduction solution with ozone that improves sludge settling, reduces foaming, odors and volatile organic compound (VOC) emissions: ASPAL Sludge ™. Air Liquide’s ASPAL Sludge ™  solution is highly effective in reducing excess sludge in water treatment plants. It is based on a minimized dose of ozone in the right place – and state-of-the-art technology.

Our specialists can also help you with solutions using ozone for these applications:

Industries / Activities Applications
Mines Cyanide recovery and/or destruction
Pulp and Paper

Ozone bleaching (ECF/TCF pulps)
Waste paper treatment

Environment - Water

Disinfection of potable water
Color removal
Contaminants of Emerging Concerns Reduction



Discover our solutions technologies using ozone and oxygen for water treatment: