METHOD FOR PROCESSING GAS-CONDENSATE HYDROCARBON MIXTURE Russian patent published in 2006 - IPC B01D53/00 B01D19/00 F25J3/00 

FIELD: technology for processing gas-condensate hydrocarbon mixture.

SUBSTANCE: method includes three separation stages with feeding of methanol at second stage and absorption with production of hydrocarbon gas, prepared for following transportation to consumer. Mixture of liquid substances from first and second separation stages is fed into first separator, where hydrocarbon gas is separated from aforementioned mixture, which gas is then fed into absorber. Remaining mixture of liquid substances is divided on water-methanol solution, which is dispatched for regeneration, and liquid mixture, which is cooled down in first heat exchanger-cooler and mixed with liquid substance after third separation stage. Part of received liquid mixture is fed into second separator, while remaining part is fed as hydrocarbon absorbent into absorber. Liquid mixture from absorber is divided in second separator on water-methanol solution, which is dispatched for regenerated, and hydrocarbon phase, which is heated in heat exchanger up to temperature ranging from 3°C to 7°C and fed into third separator. In the latter from hydrocarbon phase water-methanol solution is isolated, which is dispatched for regeneration or recirculation to second separation stage, and hydrocarbon phase, which through second heat exchanger-cooler is dispatched to consumer.

EFFECT: decreased losses of methanol and increased quality of condensate dispensed to consumer.

1 ex, 2 tbl, 1 dwg