The gas phase reaction: 2A+B = 3C , is carried out in an isothermal packed bed...

The gas phase reaction: 2A+B = 3C , is carried out in an isothermal packed bed reactor. The rate is first order with respect to reactants A and B (second order overall) with the rate constant of 14 [liter2 /mole kg of catalyst sec.]. The feed is 50% A, 25 % B and 25 % inert at temperature of 500 K and P = 18 atm and a total flow rate of 20 mole/sec. The exit pressure is measured to be 6 atm. To produce 12 mole/sec of product C,

a) Write the relevant equations and using POLYMATH, give the profile of pressure and conversion along the catalyst bed till its exit, where the conditions are given above (Pexit = 6atm, Fc=12 mole/sec)

b) Calculate the amount of catalyst needed

c) Calculate the amount of catalyst needed, if the pressure drop in the reactor is ignored.

Solutions

Expert Solution

samet mamat answered 1 year ago

Next > < Previous

Related Solutions

The irreversible elementary reaction 2A > B takes place in the gas phase in an isothermal...

The irreversible elementary reaction 2A > B takes place in the gas phase in an isothermal tubular reactor. The feed is one mole of A per one mole of C, an inert. The entering temperature and pressure are 427°C and 10 atm, respectively. The gas constant R = 0.08206 atm · L/mol · K. (a) Determine the concentration of A at the entrance to the reactor. (b) If CA0 = 1.0 mol/L, what is the concentration of A at 90%...

In the gas-phase reaction 2A+B ⇄ 3C + 2D, it was found that when 1.50 mole...

In the gas-phase reaction 2A+B ⇄ 3C + 2D, it was found that when 1.50 mole A, 2.00 mole B and 1.00 mole D were mixed and allowed to cometo equilibrium at 25oC, the resulting mixture contained 1.20 mol C at a total pressure of 2.00 bar. Calculate (a) the mole fractions of each species at equalibrium xA=_______, xB=_______, xc=_______, xD=________ (b) Kx =_________ (c)Kp=_______ (d) ∆rGo=_________ Please enter all answers in (a) with 3 decimals. for example, 0.4467 is...

Consider a gas phase reaction, 2A+B −↽−⇀− 3C+2D. When 1.00 mol A and 2.00 mol B,...

Consider a gas phase reaction, 2A+B −↽−⇀− 3C+2D. When 1.00 mol A and 2.00 mol B, and 1.00 mol D were mixed and allowed to come to equilibrium at 25◦ C and ptotal = 1.0 bar, the resulting mixture contained 0.90 mol C. Calculate (a)partial pressures of each at equilibrium, (b) Keq, and (c) ∆rG.

The elementary irreversible gas phase reaction A --> B + C is carried out in a...

The elementary irreversible gas phase reaction A --> B + C is carried out in a PFR packed with catalyst. Pure A enters the reactor at a volumetric flowrate of 20 dm3 /s at a pressure of 10 atm and 450K. CpA=40 J/mol.K HfA=-70 kJ/mol (TR=273 K) CpB=25 J/mol.K HfB=-50 kJ/mol CpC=15 J/mol.K HfC=-40 kJ/mol k = 0.133 exp ( E/R*[ 1/450 ? 1/T ] ) dm3 kg cat. s with E = 31.4 kJ/mol a) Plot the conversion and...

The elementary irreversible gas phase reaction A --> B + C is carried out in a...

The elementary irreversible gas phase reaction A --> B + C is carried out in a PFR packed with catalyst. Pure A enters the reactor at a volumetric flowrate of 20 dm3 /s at a pressure of 10 atm and 450K. Consider that the heat is removed by a heat exchanger jacketing the reactor. The flowrate of coolant through the jacket is sufficiently high so that the ambient exchanger temperature is constant at 50oC. CpA=40 J/mol.K HfA=-70 kJ/mol CpB=25 J/mol.K...

The elementary irreversible gas phase reaction A --> B + C is carried out in a...

The elementary irreversible gas phase reaction A --> B + C is carried out in a PFR packed with catalyst. Pure A enters the reactor at a volumetric flowrate of 20 dm3 /s at a pressure of 10 atm and 450K. Consider that the heat is removed by a heat exchanger jacketing the reactor. The flowrate of coolant through the jacket is sufficiently high so that the ambient exchanger temperature is constant at 50oC. CpA=40 J/mol.K HfA=-70 kJ/mol CpB=25 J/mol.K...

This is set of homogeneous and gas phase reactions: A-->B-->C . The reaction scheme is carried...

This is set of homogeneous and gas phase reactions: A-->B-->C . The reaction scheme is carried out in a constant volume, ideal batch reactor at constant temperature. The first reaction is first order with respect to A with a rate constant k1 while the second reaction is zero order with a rate constant k2. Initially, the reactor contains only A at a concentration CA0. a) Derive expressions for the concentration of A, B, and C as a function of reaction...

Elementary , irreversible and isothermal gas phase reaction A+B--------- C. Reaction rate constant is 20M-1min-1 at...

Elementary , irreversible and isothermal gas phase reaction A+B--------- C. Reaction rate constant is 20M-1min-1 at temeperature 80 degree celcius . Feed flow rate (10L/min) to the plug flow reactor , which volume is 80 litres, contains 2%A and 2%B and inert gas temperature of 80 degree celcius and pressure 6 bar . Calculate the conversion of A.

Consider the gas phase reversible reaction 2A ↔ B that occurs at atmospheric pressure. a) If...

Consider the gas phase reversible reaction 2A ↔ B that occurs at atmospheric pressure. a) If the equilibrium constant Ka = 0.1, what are the equilibrium mole fractions of A and B? b) Assuming the reaction is elementary, write the rate law using kA and k-A as the forward and reverse rate constants, respectively. What is the equilibrium constant Kc in terms of kA and k-A? Assuming an ideal gas system, write an expression for Ka in terms of kA...

The following reversible gas-phase reaction is carried out in a 10 L batch reactor. A <->C...

The following reversible gas-phase reaction is carried out in a 10 L batch reactor. A <->C -rA = CA – 0.5CC [mol/(L h)] Determine the pressure, temperature, and gas phase composition (mole fractions) in the reactor after 1 hour of operating adiabatically given the following initial conditions and physical properties and the assumption of ideal gas behavior: P0 = 100 kPa, yA0 = 0.5, yC0 = 0.1, yinert=0.4, T0 = 500 K. cpA = cpC = 10 J/mol K, cpinert...

Subjects