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Margaret Greene (USA), William Dolan (USA), Justin Pan (USA), Al Maglio (USA), Tobias Eckardt (Germany), BASF, and Harold Boerrigter (Netherlands), Marco Smaling (Netherlands), and Imelda Rusli (UK), Shell, detail a dual-purpose adsorbent technology for combined heavy hydrocarbon and water removal from lean feed gas in LNG to prevent cold box freezing.
Figure 1. Typical line-up for conventional LNG plant.
Lean feed gas to LNG plants is becoming increasingly prevalent as several recent LNG projects are based on pipeline gas which contains predominantly methane with low natural gas liquid (C2-C5) and lower heavy hydrocarbons (C5+) content than typical conventional natural gas.