The History of Independent Development of First Set of Air Separation Unit And Hydrogen Separation Unit in China

The brilliant history that Dalian Chemical Plant has designed and developed air separation unit and hydrogen separation unit since 1952,the first set of air separation unit with treatment of 6800 m3/h air and hydrogen separation unit with treatment of 8800 m3/h feed gas went into operation in 1953 and 1955 successively is reviewed.