FIELD: technological processes.
SUBSTANCE: invention relates to low-temperature separation plants and can be used in gas industry for extraction of hydrocarbons C2+ from natural gas. Disclosed is an apparatus, in version 1 including a drying unit, an external cooling circuit in the evaporator, a compressor, a condenser and a reducing device, recuperative heat exchangers, reducing devices, including at least one expander, pump, weathering device, low-temperature separator, dephlegmator and demethanizer. Alternative 2 instead of equipment of external cooling circuit includes compressor, refrigerator and reducing device.
EFFECT: invention provides high output of hydrocarbons C2+.
2 cl, 2 dwg
