NLNG maximizes LNG production in supply constraint

Nigeria Liquefied Natural Gas achieves a wide variety of operating modes, depending on the degree gas supply is constrained, with NLNG's 3 water-cooled liquefaction trains, 3 air-cooled liquefaction trains with waste-heat recovery, 10 gas-turbine power generators, in-train and common NGL fractionation units, and 5 condensate stabilizers.Despite occasional shortfalls of gas supply from the Niger Delta, NLNG has utilized its flexibility to optimize energy consumption to utilize all available gas fully. Energy savings from optimization during constrained gas supply in 2009 resulted in gains of roughly 3.5% of LNG production.Current configurationThe Nigeria LNG plant on Bonny Island (Fig. 1) ...

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