<p>In a process for the production of gaseous nitrogen by cold distillation, the cold requirements of the plant are met by expansion of a portion of the gas to be distilled. The expanded gas is then mixed with a residual gas produced by the plant and sent to the main exchanger (2). <IMAGE></p>
申请公布号
EP0610972(A2)
申请公布日期
1994.08.17
申请号
EP19940106964
申请日期
1990.08.13
申请人
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE;LIQUID AIR ENGINEERING CORPORATION;TEISAN KABUSHIKI KAISHA