The world leader in gases, technologies and services for Industry and Health, Air Liquide is present in 80 countries with approximately 65,000 employees and serves more than 3.5 million customers and patients. Oxygen, nitrogen and hydrogen are essential small molecules for life, matter and energy. They embody Air Liquide’s scientific territory and have been at the core of the company’s activities since its creation in 1902.

Helping industries reduce their environmental impact

Industrial gases can offer alternative solutions to the traditional water and waste treatment processes, providing environmental benefits in competitive manners. At Air Liquide, we leverage our gas expertise and technologies to develop these solutions proactively.

The challenge of attaining maximum efficiency at reasonable costs

Mastering applications for the management of waste and water : Air Liquide experts are in the field to find the best solutions for our customers.

At Air Liquide, we master applications using gas technology to treat water, recycle metal, recover solvents, analyze air quality and valorize waste.

Focused on performance, we go beyond gas and propose a full expertise for client needs. We work with our customers in the way that suits them best.

For industries, municipalities and water utility companies, Air Liquide offers Nexelia™ all-in-one solutions, which encompass drinking water, process water and wastewater. Nexelia™ offers are the result of longstanding collaboration with our customers to understand their challenges and specific needs.

Nexelia™  leverages our know-how in:

• pH control
• Biological treatments
• Odor control and foam removal
• Water purification
• Scale prevention

Our expert teams design and implement our solutions on site to ensure the expected performance. They can also provide a quick response in case of troubleshooting.