Tutorials /Deaeration

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Flash Separator

Problem Statement

Steam, air and water are feed into a vessel where they are mixed. The liquid is drawn off, and the vapor is exported on a continuous basis.  The feed stream conditions are shown in table 1.

Table 1: Feed stream conditions.

The pressure of the exit vapor stream is 50 psig. Determine the flow rate of the outlet liquid and vapor streams if the vessel is a flash drum.