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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?
a. Describe the problems of flooding and channelling in packed tower b. Describe the construction and working of sieve tray, bubble cap tray and counter flow tray c. Describe
Refractoriness: It indicates the capacity of a material to withstand heat without appreciable deformation or softening under particular operating conditions and is measured as the
#question.WHAT IS STEAM GENERATION AT CONSTATNT PRESSURE .
Diffusion: Molecular diffusion, often known as simply diffusion, is a net transport of molecules from a region of higher concentration to one of lower concentration by chance mole
Q. What are the functions of a lubricant? Describe the various types of lubrication. OR Discuss the types of mechanism of lub
Could help with Hysys design assinment?
why are some flashlights brighter than others?
An organic compound is found to contain 37.5% of C, 3.2% of H and 59.3% of F. The following pressure and volume data were obtained for 1.0g of this substance at 90 degrees celsius
Polarization of Dielectric If a material having polar molecules, they will usually be in random orientations when no electric field is applied. An applied electric field will p
explain
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