Chemical Design is among leaders in applying adsorption techniques to separation and purification application. The company was founded in 1959. The company s techniques include air pre-purification with molecular sieve for cryogenic nitrogen and oxygen plants, LNG feed purifiers, polycrystalline silicon plant vent gas separation, hydrogen purification and recovery and epitaxial silicon wafer production vent gas recovery. Chemical Design specializes in the design and fabrication of temperature swing adsorption packaged process equipment in the gas and liquid drying or purification industries. The company also has expertise in areas such as phosgene and nitrous oxide production. Chemical Design is located in Lockport, N.Y.