Design, equipment changes make possible high C3 recovery

Recent advances in the process design of cryogenic gas-processing plants and in their equipment have led to development of a high NGL-recovery process flowsheet that can cost-effectively yield propane recoveries of up to 99%.The flowsheet was chosen for a major European NGL-recovery project; and its principles are applicable to any NGL-recovery project. Their use gives higher recovery rates with little or no increase in power consumption and thus improves overall economics.Economic justification Offshore Central North Sea gas is processed in two 400-MMscfd processing plants at Teesside, UK. Here, Train 2 is under construction.Click here to enlarge imageRecent years have seen intense acti...

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