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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?
Permeability: The rate of diffusion of molten solid liquid and gases through refractories is called permeability. Low permeability is usually more important than low porosity from
Ionic bonding. An ionic bond (or electrovalent bond) is a type of chemical bond that can often form among metal and non-metal ions (or polyatomic ions like as ammonium) throug
tell me everything about titration
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
BURGER VECTOR The Burgers vector, often denoted by b, is a vector that shows the magnitude and direction of the lattice distortion of dislocation in a crystal lattice. The dire
Explain the phenomenon of polarization in dielectric materials. Polarization in Dielectric Materials: If a material contains polar molecules, they will usually be in rando
urea + formaldehyde
1. a) How are Polymers classified? b) Define polymerization. Differentiate addition and condensation polymerization. 2. a) Explain the free radical mechanism of addition p
resultant of two simple harmonic motion
reaction between water and petrol engine exhaust gas(contain n2=71%, co2=21% ,co=1.5%)
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