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A gas-phase exothermic reaction is approved out in a multi-tube reactor with the catalyst in 1-inch. Tubes and boiling water in the jacket. The feed temperature and the jacket temperature are 240 oC. The average reactor temperature rises to 250 oC a short distance from the inlet and then gradually decreases to 241 oC at the reactor exit. The resistance to heat transfer is about equivalent divided among the bed and the film at the wall. If the tube diameter were enhanced to 1.5 in. with the similar catalyst, what should the jacket temperature be to keep the peak reactor temperature at 250 oC? Draw the temperature profiles for the two cases. What pressure steam would be generated for the two cases?
Formulas for determining temporary and permanent hardness
FIND THE REAL ROOT OF xexp^x=3 regula falsemethod correct the three decimal placess
Report Note: What do you observe? Do you realise that the common chemicals you have been hadling casually at your laboratory (if any, with which you are working) are quite
Thermal spelling: The breaking or cracking or peeling off the refractory is known as spelling. A good refractory must show a good resistance to thermal spelling. Thermal spelling
Why protons doesn''t react which each other?
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A copper pipe carrying steam at 1 atm and 100 °C has internal and external radii of 20 and 25 mm, respectively, and thermal conductivity 350 W/m K. With the inside wall at 100 °C a
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Advantages of cold working (i) No heat is needed. (ii) Better surface finish is get. (iii) Superior dimension control. (iv) Improved strength and hardness properti
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