Chemical Design, Inc. - Lockport, New York adsorption techniques, separation application, purification application, air pre-purification, molecular sieve, cryogenic nitrogen, oxygen plants, LNG feed purifiers, polycrystalline silicon, hydrogen purification, hydrogen recovery, epitaxial silicon wafer production, temperature swing adsorption, gas drying, liquid drying, phosgene production, nitrous oxide production Worldwide leader in adsorption systems since 1959. Chemical Design, Inc. has been a leader in applying innovative adsorption techniques to separation and purification applications and is a specialist in the design and fabrication of temperature swing adsorption packaged process equipment.