Profile: Chemical Design, Inc. is a specialist in the design and fabrication of temperature swing adsorption packaged process equipment, mostly in the field of gas and liquid drying or purification. Phosgene and nitrous oxide production are also offered. Some of these techniques include air pre-purification with molecular sieve for cryogenic nitrogen and oxygen plants, LNG feed purifiers, polycrystalline silicon plant vent gas separation, purification & recovery, hydrogen purification & recovery and epitaxial silicon wafer production vent gas recovery.