DEVICE FOR MULTISTAGE MEMBRANE SEPARATION OF NEON-HELIUM MIXTURE Russian patent published in 2002 - IPC

FIELD: gas chromatographic analysis. SUBSTANCE: invention can be used for selective separation of gas mixtures and for solving ecological problems. Proposed device includes membrane module containing gas separating unit and provided with inlet branch pipe and first and second outlet branch pipes. Gas separating unit of membrane module is made in form of set of capillaries - membranes made of quartz glass. Device is furnished with thermostat for heating membrane module. Channels for delivering initial mixture into membrane module and into chromatograph, compressors and pumps are provided. EFFECT: increased capacity and improved efficiency of separation. 2 dwg