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Mixed refrigerant cycle(MRC), with mixed refrigerant of C1 to C5 hydrocarbons, N₂ and several other compositions as the working medium, performed condensation, evaporation, throttling expansion step by step to obtain different temperature levels of refrigeration capacity, in order to achieve a gradual cooling and liquefaction of natural gas that has been purified by deacidification and dehydration. 

Working Conditions and Application Areas

Working conditions:

• Applicable gas capacity: 1×10⁴ Nm³/d ~ 300×10⁴ Nm³/d

• Temperature of LNG can be as low as -162℃

• Applicable gas pressure: atmospheric pressure ~8.0MPa

Application Areas:                                 

• Liquefaction of oil & gas field associated gas

• Liquefaction of shale gas

• Liquefaction of coal bed gas

• Liquefaction of SNG

• Liquefaction of PNG

• Liquefaction of methane-rich purge gas

• Liquefaction of coke oven gas