Homework Answers
Answer:-
Option (a) stirred tank is the most suitable Reactor for isothermal operation involving large Reaction time in liquid phase Reaction.
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For nearly isothermal operation involving .6 large reaction time in a liquid-phase reaction, the most suitable...
The second order gas phase irreversible reaction: 2.4-B is carried out in an isothermal batch reactor...
The second order gas phase irreversible reaction: 2.4-B is carried out in an isothermal batch reactor containing 40 kg of catalyst and with an initial volume of 60-liter. The reactor is initially filled with equal molar quantities of A and inert I at 300 K and 2.5 atm. Calculate the time needed for the concentration of product (B) to be 0.02 mole/liter if: a) the reaction takes in a constant pressure batch reactor (3 points) b) the reaction takes place...
Question 3 The following is a liquid-phase reaction that is performed in a Continuous Stirred Tan...
Question 3 The following is a liquid-phase reaction that is performed in a Continuous Stirred Tank Reactor (CSTR) to produce glycol. CH2-OH KACAC The concentrations of ethylene oxide and water, entering the inlet streams are 16.13 mol/dm' and 5. 50 moldm2, respectively. The specific reaction rate, &02 mmols at 300 K with activation energy, E of 12500 cal/mol. The ideal gas cal/mol.K. Assume that the reaction follows an elementary rate law. t is 1.987 a. By using a stoichiometric table,...
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...
PROBLEM 2 The elementary liquid phase irreversible reaction (A+B -> C) takes place in a 1...
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...
(6) Consider the stirred tank reactor under isothermal conditions. The reaction occurring is 7 A →...
(6) Consider the stirred tank reactor under isothermal conditions. The reaction occurring is 7 A → P and it proceeds at a rate TA=-k.CA/(1+k2.C); mole/m.h ki = 1.0 h k2 -1.0 m/mole Data: V = 2 m'; F = 1 m/h; CA (0) -0.5 mole/m Assuming constant density and volume, derive the transfer function relating the concentration in the reactor to the feed stream concentration. Analytically obtain the response of reactor concentration to a unit step change in CAO (10...
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?...
Question 2. (20 marks) The following liquid-phase consecutive reaction is taking place in a constant volume...
Question 2. (20 marks) The following liquid-phase consecutive reaction is taking place in a constant volume batch reactor A_ky »B_k >C Derive expressions for the concentrations of A, B and C as functions of time given that the first reaction is first order and the second reaction is zeroth order.
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...
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...
QUESTION 3: 10 marks A liquid phase isomerization reaction A--> was carried out in a Packed-...
QUESTION 3: 10 marks A liquid phase isomerization reaction A--> was carried out in a Packed- 10 points bed Reactor with a solid catalyst. The reaction is very fast and the overall rate-controlling step is the external mass transfer between catalyst surface and the bulk fluid. Recently, market demand for the product has fallen by 50%, due to Covid-19 pandemic. Therefore, the management has decided to cut the production by half so that the raw material consumption can be reduced...
The second order gas phase irreversible reaction: 2.4-B is carried out in an isothermal batch reactor containing 40 kg of catalyst and with an initial volume of 60-liter. The reactor is initially filled with equal molar quantities of A and inert I at 300 K and 2.5 atm. Calculate the time needed for the concentration of product (B) to be 0.02 mole/liter if: a) the reaction takes in a constant pressure batch reactor (3 points) b) the reaction takes place...
Question 3 The following is a liquid-phase reaction that is performed in a Continuous Stirred Tank Reactor (CSTR) to produce glycol. CH2-OH KACAC The concentrations of ethylene oxide and water, entering the inlet streams are 16.13 mol/dm' and 5. 50 moldm2, respectively. The specific reaction rate, &02 mmols at 300 K with activation energy, E of 12500 cal/mol. The ideal gas cal/mol.K. Assume that the reaction follows an elementary rate law. t is 1.987 a. By using a stoichiometric table,...
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...
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...
(6) Consider the stirred tank reactor under isothermal conditions. The reaction occurring is 7 A → P and it proceeds at a rate TA=-k.CA/(1+k2.C); mole/m.h ki = 1.0 h k2 -1.0 m/mole Data: V = 2 m'; F = 1 m/h; CA (0) -0.5 mole/m Assuming constant density and volume, derive the transfer function relating the concentration in the reactor to the feed stream concentration. Analytically obtain the response of reactor concentration to a unit step change in CAO (10...
Question 2. (20 marks) The following liquid-phase consecutive reaction is taking place in a constant volume batch reactor A_ky »B_k >C Derive expressions for the concentrations of A, B and C as functions of time given that the first reaction is first order and the second reaction is zeroth order.
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...
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 3: 10 marks A liquid phase isomerization reaction A--> was carried out in a Packed- 10 points bed Reactor with a solid catalyst. The reaction is very fast and the overall rate-controlling step is the external mass transfer between catalyst surface and the bulk fluid. Recently, market demand for the product has fallen by 50%, due to Covid-19 pandemic. Therefore, the management has decided to cut the production by half so that the raw material consumption can be reduced...
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