F25J3/04006 - CPC Classification

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 Providing pressurised feed air or process streams within or from the air fractionation unit

• F25J3/04012 » {by compression of warm gaseous streams; details of intake or interstage cooling } 13
• F25J3/04048 » {by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams} 16
• F25J3/04078 » {providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression } 7
• F25J3/04109 » {Arrangements of compressors and /or their drivers } 23