APPLICATION OF MEMBRANE PROCESSES IN THE TECHNOLOGIES OF SEPARATION GAS MIXTURES BASED ON AIR COMPONENTS
DOI:
https://doi.org/10.18198/j.ind.gases.2012.0602Keywords:
Gas mixtures, Air, Oxygen, Nitrogen, Helium, Neon, Membrane unit, Reflux condenserAbstract
There has been progress in the development and improvement processes, technological schemes and equipment for the membrane enrichment products of air separation as well as recovery of valuable components and from other gas mixtures. The spheres of use membrane separators for enriched air separation products are considered. The simplified methods of calculation processes, regulated on the membranes for a number of applications are presented. For the case of neon-helium mixture enrichment, the dependence of concentration of the desired product on the degree of extraction is established. A comparison is of membrane technologies and condensation methods of enrichment of rare gases. Results of experimental studies of membrane modules based on hollow fibers are given.
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