The endothermic liquid-phase elementary reaction
A + B →2C
proceeds, substantially, to completion in a single steam-jacketed, continuous-stirred reactor (Table P8-5). From the following data, calculate the steady-state reactor temperature:
Reactor volume: 125 gal
Steam jacket area: 10 ft2
Jacket steam: 150 psig (365.9 °F saturation temperature)
Overall heat-transfer coefficient of jacket, U: 150 Btu/ h • ft2 • °F Agitator shaft horsepower: 25 hp
Heat of reaction, Δ = +20,000 Btu/lb mol of A (independent of temperature)
| A | Component B | C |
Feed (lbmol/hr) | 10.0 | 10.0 | 0 |
Feed temperature (°F) | 80 | 80 | — |
Specific heat (Btu/lb mol-°F)! | 51.0 | 44.0 | 47.5 |
Molecular weight | 128 | 94 | 111 |
Density (lb,„/ft3) | 63.0 | 67.2 | 65.0 |
Independent of temperature.
(Courtesy of the California Board of Registration for Professional&Land Surveyors.)
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