The nitrogen-based system can be used for precision cooling and temperature control of equipment including production lyophilisers and chemical reactors. Praxair claims it is environmentally safer and more reliable than mechanically refrigerated freeze dryers.
David Chow, president of Praxair China, said: "It is encouraging to see our NCOOL system and related lyophilisation technology reach another milestone in the Chinese market. The prospects for liquid nitrogen cooling of pharmaceutical freeze dryers are very promising."