Gasconsult Ltd. has announced the award of a patent for its new ZR-LNG liquefaction process. ZR-LNG has best-in-class energy efficiency for mid-scale liquefied natural gas (LNG) applications. Specific power consumption for the liquefaction section will typically be in the range of 310 kWh/ton to 350 kWh/ton of LNG, which is marginally higher than current baseload plants but significantly better than single mixed-refrigerant cycles (350 kWh/ton to 400 kWh/ton) and dual nitrogen-expander cycle technology (400 kWh/ton to 500 kWh/ton).
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