Milestones

Over 60 years of innovation

CDI has been on the cutting edge of separation and purification applications since our founding in 1959. Our list of milestones continues to grow as our commitment to customers remains as the bedrock of our company. 

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1964

Commercial Phosgene Plant

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1964

Adsorption for Neon Purification

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1964

First commercial Air Prepurifier using Molecular Sieves

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1964

First commercial LNG Prepurifier using Molecular Sieves

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1965

Hydrogen Purification using Molecular Sieves

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1965

Cryogenic Adsorption process to purifier Hydrogen

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1967

Helium Purification

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1968

PSA Hydrogen Purification under license from Exxon

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1971

Olefin Dryers

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1972

Argon Purification by catalytic reaction and drying

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1973

Recovery of Hydrogen from Silicon Reactors Vents

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1980

Use of split beds (AA/MS) for Air Prepurifiers

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1982

1982 Heavy Hydrocarbon Removal from Natural Gas

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2001

Tritium Removal Unit