1. Consider the following irreversible, zero-order, liquid-phase reaction: A ➝ B. The reaction is strongly exothermic,...
1. Consider the following irreversible, zero-order, liquid-phase reaction: A ➝ B. The reaction is strongly exothermic, or ∆???? ? ≪ 0. For a given conversion XA, would an adiabatic CSTR and an adiabatic PFR require the same volume? If not, which reactor requires less volume? Justify your answer physically.
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1. Consider the following irreversible, zero-order, liquid-phase
reaction: A ➝ B. The reaction is strongly exothermic,...
An irreversible first order reaction is being .5 carried out in a CSTR and PFR of...
An irreversible first order reaction is being .5 carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will Be same in both cases O Be more in PFR than in CSTR O Be more in CSTR than in PER O Depend on the temperature O
Question 1: Design of isothermal reactors 30 Marks The irreversible, gas-phase reaction A+B D is to be carried out...
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...
R1 - LIQUID PHASE CHEMICAL REACTOR The elementary liquid phase reaction given below is carried out...
R1 - LIQUID PHASE CHEMICAL REACTOR The elementary liquid phase reaction given below is carried out in a CSTR by isothermal operation. k > NaOAC + EtOH k = 3.59 L/mol.min NaOH + EtOAC (A) (B) (C) (D) The volume of the CSTR is 2 L and the flowrates of the feeds in the individual streams are 50 ml/min for both reactants. The concentrations of NaOH and EtoAc are 0.05 mol/L and 0.1 mol/L, respectively. [6] a) Calculate the conversion...
An acid-catalyzed irreversible liquid-phase reaction A B is carried out adiabatically in a CSTR. The reaction is second...
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...
You are given the rate equation −rA" = -kA" CA for the liquid-phase reaction A--->B. Inlet...
You are given the rate equation −rA" = -kA" CA for the liquid-phase reaction A--->B. Inlet flow rates are 100 mol/s of pure A, which has a density of 1000 kg/m3 and a molar mass 1000 g/mol. The rate constant is 1x10-6m/s. You are told the reactor has a catalyst of surface area Sg of 5 m2/g, and the catalyst density in the reactor is 25 kg/m3. a. To achieve 50% conversion in an isothermal steady-state CSTR, what is the volume required?...
Consider the liquid phase reaction : A ---> Products which is to take place in a...
Consider the liquid phase reaction : A ---> Products which is to take place in a PFR. The following data was obtained in a batch reactor X 0 0.4 0.8 -rA (mol/dm3s) 0.01 .008 .002 If the molar feed to A to the PFR is 2mol/s, what PFR Volume is necessary to achieve 80% conversion under identical conditions as those under which the batch data was obtained?
2 of 6 04-Chem-A4/Dec 2012 1. A first-order, homogeneous, liquid-phase reaction (A - B) occurs in...
2 of 6 04-Chem-A4/Dec 2012 1. A first-order, homogeneous, liquid-phase reaction (A - B) occurs in a CSTR that operates adiabatically at steady state. The reaction is exothermic. Data are as follows and should be considered as exact quantities CA G, 1.75 molA/L (Inlet concentration of A) 2.5 J/g-K (The heat capacity of the reacting fluid; assumed constant at all conversions.) AH, -27 000 J/molA q-30 L/min (Flow into the CSTR.) (-rA) = 1.8( 1013)e(-84000 RDCA (The rate of reaction...
PROBLEM 1 The elementary liquid phase irreversible reaction (A + B -> C) is to be...
PROBLEM 1 The elementary liquid phase irreversible reaction (A + B -> C) is to be carried out in a flow reactor. An equimolar feed with A and B enters the reactor at 300K at a volumetric flow rate of 2 L/s, and feed molar concentration of A equal to 0.1 kmol/m3 a. A. Calculate the conversion of A that can be achieved in one 500 Liter Mixed Flow Reactor under adiabatic conditions. b. Calculate the conversion of A that...
Hi, can you please help me with F? I know that if the volume is the...
Hi, can you please help me
with F? I know that if the volume is the same, negative order
reactions would give PFR a higher yield, however, when I tried to
do it mathematically, the units won't match because of the rate
constant. I don't know how to prove that PFR would give a higher
yield. Can i use the same rate constant but with different
units?
3. Your boss asks you to isothermally carry out a liquid-phase, irreversible reaction...
3. The gas phase reaction A B -C, withkCACB, is to be carried out in a...
3. The gas phase reaction A B -C, withkCACB, is to be carried out in a steady-state PFR with feed composition of 60% A. 40% B, 0% C and 0% inerts. In the 50 L reactor, 60% of the stoichiometrically limiting reactant is converted. It is desired to achieve 85% conversion of this reactant by placing a CSTR after the PFR. How large should the CSTR be? Consider constant pressure operation in both reactors.
An irreversible first order reaction is being .5 carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will Be same in both cases O Be more in PFR than in CSTR O Be more in CSTR than in PER O Depend on the temperature O
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...
R1 - LIQUID PHASE CHEMICAL REACTOR The elementary liquid phase reaction given below is carried out in a CSTR by isothermal operation. k > NaOAC + EtOH k = 3.59 L/mol.min NaOH + EtOAC (A) (B) (C) (D) The volume of the CSTR is 2 L and the flowrates of the feeds in the individual streams are 50 ml/min for both reactants. The concentrations of NaOH and EtoAc are 0.05 mol/L and 0.1 mol/L, respectively. [6] a) Calculate the conversion...
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 of 6 04-Chem-A4/Dec 2012 1. A first-order, homogeneous, liquid-phase reaction (A - B) occurs in a CSTR that operates adiabatically at steady state. The reaction is exothermic. Data are as follows and should be considered as exact quantities CA G, 1.75 molA/L (Inlet concentration of A) 2.5 J/g-K (The heat capacity of the reacting fluid; assumed constant at all conversions.) AH, -27 000 J/molA q-30 L/min (Flow into the CSTR.) (-rA) = 1.8( 1013)e(-84000 RDCA (The rate of reaction...
PROBLEM 1 The elementary liquid phase irreversible reaction (A + B -> C) is to be carried out in a flow reactor. An equimolar feed with A and B enters the reactor at 300K at a volumetric flow rate of 2 L/s, and feed molar concentration of A equal to 0.1 kmol/m3 a. A. Calculate the conversion of A that can be achieved in one 500 Liter Mixed Flow Reactor under adiabatic conditions. b. Calculate the conversion of A that...
Hi, can you please help me
with F? I know that if the volume is the same, negative order
reactions would give PFR a higher yield, however, when I tried to
do it mathematically, the units won't match because of the rate
constant. I don't know how to prove that PFR would give a higher
yield. Can i use the same rate constant but with different
units?
3. Your boss asks you to isothermally carry out a liquid-phase, irreversible reaction...
3. The gas phase reaction A B -C, withkCACB, is to be carried out in a steady-state PFR with feed composition of 60% A. 40% B, 0% C and 0% inerts. In the 50 L reactor, 60% of the stoichiometrically limiting reactant is converted. It is desired to achieve 85% conversion of this reactant by placing a CSTR after the PFR. How large should the CSTR be? Consider constant pressure operation in both reactors.
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