160226 ⎘
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 using at least a triple pressure main column system in a double column flowsheet with a high pressure pre-rectifier
High-purity oxygen production system
#2Method and apparatus for obtaining pressurized nitrogen by cryogenic separation of air
#3Method and device for separating air by cryogenic distillation
#4Method and device for generating gaseous compressed nitrogen
#5Method and device for low-temperature air separation
#6Process for the cryogenic distillation of air