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Appendix B: Key Parameters for the Turboexpander Process

2.B

Table 2.B.1 Demethanizer column parameters.

Column	Total feed flow rate (MMSCFD)	T (°F)	P (psig)	Number of trays	Light/heavy key
Demethanizer	202	−111 to 65.4	250–254	10	Methane/ethane

Feed flow rate is a standard vapor volumetric flow rate.

Table 2.B.2 Low temperature separator (LTS) inlet temperature.

Stream	T (°F)
10	−25

Table 2.B.3 Outlet pressure for the pressure changing equipment.