FIELD: oil and gas industry.
SUBSTANCE: precompressed gas mix is fed to gas distribution device with membrane elements (2) wherein gas mix flow is separated to permeate and retentate for permeate to be purged. Note here that permeate purging is performed by the gas mix bled from the gas distributor has mix flow (3). Said gas distributor comprises membrane elements (2), gas mix inlet (3) and purge gas inlet (4). Note here that purge gas inlet (4) is communicated with the gas mix inlet (3).
EFFECT: simplified design, lower costs of gas separation.
6 cl, 1 dwg
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