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Centers of Excellence

Incorporating Chart and water treatment specialists AdEdge and BlueInGreen, we provide the engineering and operational insight required to deliver sustainable, fit-for-purpose solutions with single-point responsibility that empower water professionals to achieve their objectives with the lowest combination of risk and costs while driving enhanced outcomes for people, communities, and the planet.



The combination of Chart equipment and BlueInGreen (BIG) technology provides solutions that efficiently deliver dissolved oxygen, carbon dioxide and ozone for water treatment. BIG’s core, gas-dissolution technology consumes 20% to 40% less gas than other alternatives with the smallest energy, carbon and physical footprint across a variety of applications in municipal and industrial end markets.


Technical Library

View and download additional resources including case studies.

Liquid Gas Systems for Water Treatment Plants

Case Study WTP #1 LOX Supply for Ozone Generation

LOX Systems approach with 26K gal LOX storage ensures gaseous oxygen supply in ozone treatment.

Case Study WTP #2 for LOX supply on Ozone Generation

Case Study WTP #3 on Ozone Generation using LOX

Case Study WTP #4 Using LCO2 in Water Treatment

Liquid Co2 bulk storage and system approach on providing Co2 for arsenic removal.

Case Study WTP #5 Aeration System at Electric Power Plant

Using LOX to optimize oxygen levels deployed downstream from dam.

Water Energy Nexus

What Chart's acquisition of BlueInGreen tells us about the future for the industrial gas, energy and water treatment markets. First published in Gasworld, February 2021.

Chart Industries is seeing a growing demand for its liquid oxygen systems

‘Cleaning up’ Gasworld article published Feb 2020 .

Advancing Cleaner Water with CO2 for pH control

Common uses of CO2 for pH adjustments in water treatment and how Chart and BlueInGreen solutions work together.

Exploring Nexus of Clean

Gas Compression Magazine explores Chart’s integrated value chain investments made to position the company at the forefront of the clean energy transition through Nexus of Clean™.

Engineered Systems Catalog

Nitrogen Boost System for Ozone Generation

VSi-CO2 Series

Vertical storage integrated bulk systems for CO2 supply in outdoor installation. Manufactured in US.

HSi-CO2 Series

Horizontal storage integrated bulk system for CO2 supply in outdoor installation. Manufactured in US.

Connect with the ChartWater™ team

Call us direct or click the contact us button, complete a short form and one of our experts will be in touch.

Sales and Customer Service  +1 800 400 4683

Technical Service Americas  +1 800 253 1769

Repairs  +1 800 231 8276

BlueInGreen  +1 479 527 6378

AdEdge  +1 678 835 0052