A cryogenic air separation system wherein separation inefficiencies resulting from feed air flow disturbances due to discontinuous prepurifier operation are reduced or eliminated by inhibiting column liquid drainage during such disturbances using mesh packing having interspacial regions which hold up...http://www.google.fr/patents/US5950455?utm_source=gb-gplus-shareBrevet US5950455 - Cryogenic air separation system for feed air flow disturbances
Cryogenic air separation system for feed air flow disturbances
