3. The gas phase reaction A B -C, withkCACB, is to be carried out in a...
Question 1: Design of isothermal reactors 30 Marks The irreversible, gas-phase reaction A+B D is to be carried out in an isotherma °C) plug-flow reactor (PFR) at 5.0 atm. The mole fractions of the feed streams are A 0 B 0.50, and inerts 0.30. The activation energy for the above reaction is 80 000 cal/mol. the pressure drop due to fluid friction in the reactor is so small that it can be ignored, perform the following tasks: 2T a s...
Question 4. A gas phase reaction of the type A+B - C, is to be carried out isothermally in a PFR. A feed consisting of 90% of A and 10% of B enters the reactor at a temperature of 27 °C and 10 atm. The reaction is second order with respect to A and zero order with respect to B. The rate constant, ka, is 1.5 dm²/mol.s. a) Calculate the volume required to achieve 60% conversion of A for an...
The elementary gas phase reaction (A <--> 2B) is to be carried out in an adiabatic CSTR. The feed which is at a temperature of 27oC, consists of 80% of A and the remainder inerts. The volumetric flow rate entering the reactor at this temperature is 100 l/min. The concentration of A in the feed at 27oC is 0.5 mol/liter. For 80% of the adiabatic equilibrium conversion, calculate the required reactor volume. DATA: CpA=12 J/mol.K; CpB=10 J/mol.K; CpI=15 J/mol.K deltaHrxn=-75000...
(3) The gas phase reaction 2A +B- C is carried out in an isothermal PFR without pressure drop. At the entrance, the feed contains 1/2 molar fraction of A, 1/3 molar fraction of B and 1/6 molar fraction of inert chemical I. The entrance temperature is 500K and the entrance pressure is 16.4 atm. If the conversion of A at the exit is 0.8, what is the conversion of B?
2. The irreversible gas phase reaction A B is carried out isothermally in a fluidized catalytic CSTR. The reaction rate is first orderw.r.t.the partial pressure of A (-rA KA PA). With arn entering pressure 20 atm, an negligible pressure drop in CSTR, and 50 kg of catalyst, a conversion of 50% was realized for pure A feed. |-Fluidized hal oooo -catalyst o ojo | |,'-/ pellets Now, a PBR is connected to the downstream of this CSTR with a same...
An acid-catalyzed irreversible liquid-phase reaction A B is carried out adiabatically in a CSTR. The reaction is second order in A. The feed is equimolar A and solvent (S, which contains catalyst), and enters the reactor at a total volumetric flow rate of 10 dm3/min at a concentration of A of 4 mol/L. The feed enters at 300 K. The product and reactant heat capacities are 15 cal/(mol°C), the solvent is 18 cal/(mol°C). The reaction rate constant at 300 K...
2) ZA → B is a gas-phase elementary reaction carried out in a PFR. Conversion of A = 80%. The feed is pure A. What is conversion when the molar feed rate is cut in half?
The elementary, reversible gas phase reaction A B is to be carried out in a CSTR with heat exchange. Pure A is fed to the reactor. The heat exchange coil in the reactor is maintained at 400K. The rate coefficient is known at 400K, but heat of reaction is unknown. Data: k1(400K) = 0.001 s.! V-1000L To=350K R-831 J/mol K h 5 mol's UA 1000 J/K Kea (450K-1 A) Calculate the conversion (X) if the steady state CSTR is operated...
QUESTION 2: Design of Multiple Reactors: 30 marks B +C was a a) An elementary reaction A reaction A B +C was carried out in a reactor system using an ideal STR followed by an ideal PER Isothermany. The rate constant is k = 0.4 min ". The volumetric flow rate is 20 L/min. The concentration of A in the feed is 5 moles/L. 1. Calculate the volume of the CSTR necessary to achieve a conversion of 50%. (7 marks)...
5.33. When B is mixed with A, the liquid phase reaction A+BC rkCA has a rate constant k 0.2 min. This reaction is to be carried out isothermally in a CSTR at steady state. The reactant A costs $2/mol and reactant B costs $0.10/mol. The product C sells for $6/mol. The cost of operating the reactor is $0.05 per liter per hour. We wish to produce 360,000 moles of C per day to meet the market demands The available reactants,...