PROBLEM 1 The elementary liquid phase irreversible reaction (A + B -> C) is to be...
PROBLEM 2 The elementary liquid phase irreversible reaction (A+B -> C) takes place in a 1 m² Mixed Flow Reactor with the equimolar mixture of A and B at the volumetric feed flow rate of 0.5 m3/min, the feed concentration of A equal to 1 mol/L, and the feed temperature of 300K. When the reaction takes place under isothermal conditions at 300K the conversion of A is 30%. When the reaction takes place adiabatically the exit temperature is 350K and...
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...
The irreversible, endothermic, elementary, liquid-phase reaction: 2A ---> B, is carried out adiabatically in a 100 liter PRF. Species A and inert liquid are fed to the reactor with concentrations CAo = 1.5 mol/l and CIo = 1.5 mol/l, while FAo=20 mol/min. The entering temperature is 400 K. Calculate the conversion and temperature at the exit of the reactor, given the additional information below: k = 0.0003 l/(mol*min) at 300 K E= 12000 cal/(mol* K) CpA = 10 cal/(mol*K), CpB...
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...
The irreversible elementary gas-phase reaction A + B ) C + D is carried out isothermally at 305K in a packed bed reactor with 100 kg catalyst of particle size 8 mm. The entering pressure is 20 atm and the exit pressure is 2 atm. The feed rate is equal molar in A and B and the flow is in the turbulent flow regime, with FA0-10 mol/min and CA 0.4 mol/dm3. Currently 80% conversion is achieved. a) What would be...
The elementary irreversible organic liquid-phase reaction. a+b==>c is carried out adiabatically in a flow reactor. An equal molar feed in A and 8 enters at 27'C, and the volumetric flow rate is 2 dm3/sa nd CAo= 0.I k molfm3 graphically.on exal
The irreversible gas phase rxn, A=> B+C is performed in an adiabatic, 800‐liter PFR with a rate constant, k, as below: k=60*exp(‐5000/T) s‐1 The feed is pure A at 15 bar and 450 K with a volumetric flow rate of 1.956 L/s. The heat of rxnis ‐12 kJ/mol(independent of temperature), heat capacities are CPA= 40 J/mol/K, CPB= 15 J/mol/K, and CPC = 25 J/mol/K. The reaction is operated at constant pressure Plot (a) FAand FBversus reactor volume (b) Temperature versus reactor volume (c) volumetric flow...
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...
Design a CSTR for the elementary consecutive gas-phase reactions A - B C. Specify the reactor volume and the area of the heating coil inside the reactor for 50% conversion. a. Calculate the desired operating temperature inside the reactor. b. Calculate the volume of the reactor c. Calculate the area of the heating surface. The effluent stream should contain a ratio CB/Cc of 10. The feed is gas-phase and pure A at 400°C and 4 atm, with a molar flow...
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,...