A perfectly mixed membrane module with (10,000 mathrm{ft}^{2}) of membrane area is separating oxygen and nitrogen at

Question:

A perfectly mixed membrane module with $10,000 \mathrm{ft}^{2}$ of membrane area is separating oxygen and nitrogen at $25^{\circ} \mathrm{C}$. The membrane is $1.1 \mu \mathrm{m}$ thick poly ( 4 -methyl pentene). Feed is $21 \mathrm{~mol} \%$ oxygen. Permeate pressure is 0.96 bar and retentate is at 3.7 bar. Cut $\theta=0.90$. Assume an ideal gas. Find $F_{i n}, y_{p}, y_{r}$, and nitrogen product flow rate $\mathrm{F}_{\mathrm{r}}$. Data are in Table 19-2.

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