FIELD: manufacturing technology.
SUBSTANCE: invention relates to a method of cleaning mass flow. Mass flow contains fraction C2+, as well as at least one first gaseous substance and a different gaseous substance different from it. Mass flow for fraction C2+ removal are subjected to short-cycle adsorption. According to invention after removal of fraction C2+ provides for separation of mass flow by means of membrane into retentate (R) and permeate (P). First substance is concentrated in retentate (R). Second substance is depleted in retentate (R). First substance is depleted in permeate (P), and the second substance is concentrated in permeate (P).
EFFECT: invention improves the method of extracting gases and widens the range of use of high-pressure products.
11 cl, 1 dwg
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