For over 50 years CR CleanAir has provided its customers with the tools to address nearly any emissions challenge. Our integrated systems are designed to achieve 99% efficiency. From arsenic to zirconium tetrachloride, we scrub gasses others won’t touch.

Haldor Topsoe is recognized as the world leader in the development & supply of catalyst & technology for industrial processes & air pollution control with a global presence encompassing 5 continents & involving over 90% of the world’s chemical processes.