The first order irreversible reaction A -> B is carried out in a CSTR. The rate...
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The first order irreversible reaction A -> B is carried out in a CSTR. The rate constant is 0.05 s^-1 and the volumetric flowrate is 0.02 m^3 s^-1. What volume of reactor is required in order to achieve a conversion of 80%? Hint:(Conversation of Ca to molar flowrate/volumetric flowrate) |
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The first order
irreversible reaction A -> B is carried out in a CSTR. The rate...
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...
Reaction is A-->B is carried out adiabatically in a CSTR. The reaction is second order in...
Reaction is A-->B
is carried out adiabatically in a CSTR. The reaction is second order in A. The feed, which is equal molar in water (which contains the catalyst) and A, enters the reactor at a temperature of 52 C and a total volumetric flow rate of 10 dm3/min. The concentration of A entering the reactor is 4 molar. a) What is the reactor volume to achieve 80% conversion b) What conversion can be achieved in a 1000 dm3 CSTR?...
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...
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...
The first order reaction A rightarrow B is carried out in an adiabatic CSTR with A_A0...
The first order reaction A rightarrow B is carried out in an adiabatic CSTR with A_A0 = 2 mol/liter and T_0 = 300 degree K. It is found that 50% conversion is obtained with tau (=V/Q) = 4 min, and the reactor temperature is 350 degree K. The reaction rate constant k at 350 degree K is The reaction is in water with rho_C_p = 1000 cal/liter degree K. Find the heat of reaction.
The biodiesel formation reaction is carried out in a plug flow reactor. Oil is fed at...
The biodiesel formation reaction is carried out in a plug flow reactor. Oil is fed at a flowrate of 10 mol/s. Methanol is fed at a flowrate of 30 mol/s. Determine the volume of the reactor required for a conversion of 95%. Assume that the reaction is irreversible and the reaction is first order with respect to both oil and methanol. Assume that the density of the mixture stays constant along the reactor as 5000 mol/m3. The rate constant for...
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?...
The reversible liquid reaction 2A ↔ B + C is carried out in an isothermal CSTR...
The reversible liquid reaction 2A ↔ B + C is carried out in an isothermal CSTR with no pressure drop. The feed has an A concentration of 0.1 lbmol/ft3 and T=300K. The forward reaction rate constant is 1800 ft3/lbmol-s and the concentration equilibrium constant is 0.3. a. Determine the equilibrium conversion. b. Determine the reactor volume necessary to achieve 98% of the equilibrium conversion of A if the feed is 10 lb mol/min.
3. The endothemic irreversible 2nd order reaction A +B C is carried out in a pressurised...
3. The endothemic irreversible 2nd order reaction A +B C is carried out in a pressurised adiabatic batch reactor. The initial temperature is 120°C and the initial concentrations of both A and B are 2.0 kmol m2 Kinetic studies showed that the reaction rate constant is given by: 6000 k 2 x 105 exp(- m3kmol 1s1 T (8) (a) Derive the mass and energy balances for the reactor. Calculate the conversion achieved and the reactor temperature (b) (12) after 30...
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...
Reaction is A-->B
is carried out adiabatically in a CSTR. The reaction is second order in A. The feed, which is equal molar in water (which contains the catalyst) and A, enters the reactor at a temperature of 52 C and a total volumetric flow rate of 10 dm3/min. The concentration of A entering the reactor is 4 molar. a) What is the reactor volume to achieve 80% conversion b) What conversion can be achieved in a 1000 dm3 CSTR?...
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...
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...
The first order reaction A rightarrow B is carried out in an adiabatic CSTR with A_A0 = 2 mol/liter and T_0 = 300 degree K. It is found that 50% conversion is obtained with tau (=V/Q) = 4 min, and the reactor temperature is 350 degree K. The reaction rate constant k at 350 degree K is The reaction is in water with rho_C_p = 1000 cal/liter degree K. Find the heat of reaction.
3. The endothemic irreversible 2nd order reaction A +B C is carried out in a pressurised adiabatic batch reactor. The initial temperature is 120°C and the initial concentrations of both A and B are 2.0 kmol m2 Kinetic studies showed that the reaction rate constant is given by: 6000 k 2 x 105 exp(- m3kmol 1s1 T (8) (a) Derive the mass and energy balances for the reactor. Calculate the conversion achieved and the reactor temperature (b) (12) after 30...
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