160258 ⎘
Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air Recovering noble gases from air
Sub-classes:Recovery of krypton and xenon from liquid oxygen
#2COOLING SYSTEM
#3System and method for recovery of neon and helium from an air separation unit
#4Method for the cryogenic fractionation of air and air fractionation plant
#5Cryogenic system for neon production
#6Cryogenic rectification system for neon production