LNG Liquefaction with Single Mixed Refrigerant (PRICO)
LNG
A single mixed refrigerant (PRICO) LNG liquefaction process where natural gas (mostly methane) is cooled and liquefied to ~109 K in a multi-stream heat exchanger against a closed-loop mixed refrigerant (CH₄/C₂H₆/n-C₄H₁₀/N₂), then throttled through a JT valve to produce LNG at ~1 bar. The refrigerant loop includes two-stage compression with intercooling back to ambient temperature.
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