Process Water Treatment
Safer, more cost-effective pH control for process water treatment
From Airgas, an Air Liquide company
Contact an expert today to get started.
Eliminate the risks of mineral acid-based systems used for pH control of process water
Delivering process solutions that lower operating costs while creating safer site conditions and improving your environmental footprint is important to you and your team. If your current pH adjustment system is using minerals or a strong acid like sulfuric acid, you can now consider an alternative, more eco-friendly process water treatment using carbon dioxide.
Safer, more cost-effective pH control for process water treatment
From Airgas, an Air Liquide company
Contact an expert today to get started.
What are your challenges?
Carbon dioxide: the safer and more eco friendly alternative
A smart choice for pH adjustment and scale control in process water
The Airgas offer is an all-in-one gas solution using carbon dioxide (CO2) for pH and scale control in process water treatment, without the use of sulfuric and hydrochloric acids.
- Process water and wastewater pH control
- Post cold lime softening pH and scale control
- pH adjustment to reduce clarification chemical dosage
- Reverse osmosis pH and scale control
- Cooling water pH and scale control
With the full support of our water treatment experts, you begin with an audit of your current process and pH control system. After assessment, our experts will help you develop preliminary system designs — with the best supply modes and optimal injection methodologies — that can safely and efficiently meet your needs. This turnkey experience can include full implementation including commissioning, training and monitoring.

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CO2 Supply Modes
CO2 Injection Methodologies
Hear from one of our experts
Water scarcity and environmental concerns demand a safe and cost-effective approach to treat both process water and wastewater.
Ken Krawczyk, Director — Chemicals, Environment and Technical Solutions
Complete the formform and talk to an Airgas expert today to learn more about how we can help.
“Water scarcity and environmental concerns demand a safe and cost-effective approach to treat both process water and wastewater. From gas storage, system design and piping to flow controls, CO2 and related storage, Airgas can help you lower costs, improve operations and increase safety.”
Get everything you need to control pH and scale in your process water
A safe, reliable supply of carbon dioxide for pH adjustment and scale in a variety of innovative supply modes
Preliminary and detailed solution design and engineering, installation, testing and commissioning of turnkey pH control systems, plus safety and operational training
Get visibility, control and savings with supply chain solutions including EZ-GAZ™ digital gas monitoring service so you always know how much gas you have in your cylinder and when you need more
A complete portfolio of safety solutions from 60+ QSSP- and OSHA 30-certified specialists and a full line of safety products and PPE to keep you protected as you work
We can help you even more
Resources to keep you ahead

CO2 pH Control Solutions
Learn how you can eliminate the risks of mineral and acid-based systems today.
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EZ-GAZ
Know how much cylinder gas you have left and when you need more with our unique digital gas monitoring service.
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Safety Catalog
Browse our safety products catalog to find all the safety products you need for your workplace.
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