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note: To convert degrees Fahrenheit to degrees Celsius, °C = (°F - 32)/1.8. To convert pound-moles per hour to kilogram-moles per second, multiply by 1.26 X 10-4.

note: To convert degrees Fahrenheit to degrees Celsius, °C = (°F - 32)/1.8. To convert pound-moles per hour to kilogram-moles per second, multiply by 1.26 X 10-4.

For specified feed temperature and pressure, an isothermal flash of the feed gave 13.35 percent vaporization.

Convergence was achieved in 3 iterations. Converged values of temperatures, total flows, and component flow rates are tabulated in Table 13-14. Computed reboiler duty is 1,295,000 W (4,421,000 Btu/h). Computed temperature, total vapor flow, and component flow profiles, shown in Fig. 13-54, are not of the shapes that might be expected. Vapor and liquid flow rates for nC4 change dramatically from stage to stage.

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