FIELD: oil industry.
SUBSTANCE: invention relates to processing oil and natural gases. Plant includes a raw material supply pipeline, a gas hydrocarbon mixture compression assembly, at least one membrane separator connected to the consumer, and an outlet of the flow infiltrated through the membrane connected with a pressure control device to the outlet of liquid hydrocarbons released during gas compression and through a low-temperature cooling assembly to the separator. Low-temperature cooling assembly comprises in-series mounted: a recuperative heat exchanger of the gas backflow, a recuperative heat exchanger of the liquid backflow and an additional recuperative heat exchanger, which by one heat exchanging space is connected to the flow outlet from the liquid backflow recuperative heat exchanger, and by the other heat exchanging space the inlet of the additional recuperative heat exchanger is connected via a throttling device to the liquid outlet from the separator.
EFFECT: invention is aimed at improving energy efficiency of the plant, as well as at reducing the costs for maintenance.
1 cl, 1 dwg
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