![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 [molA/Ls], R = 8.314 [J/mol-K]; T is in [KD. To 315 K (Inlet temperature of the feed.) V = 28 L (Reactor volume) XA 0.9 (Conversion of A leaving the reactor.) p 500 gL (Liquid density, assumed constant throughout the reaction.) a) What are the units of the constant 1.8(1013) in the rate equation? (2 marks) b) Calculate the temperature at which this reactor operates under steady operating conditions. (10 marks) c) Calculate the rate constant for conditions within the CSTR. (4 marks) d) Calculate the rate of heat evolved within this reactor (in J/s) during steady-state operation. (4 marks)](http://img.homeworklib.com/questions/ff54c630-8a1b-11eb-9e1e-cded43076898.png?x-oss-process=image/resize,w_560)
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2 of 6 04-Chem-A4/Dec 2012 1. A first-order, homogeneous, liquid-phase reaction (A - B) occurs in...
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...
An exothermic elementary reversible isomerisation reaction of A B in liquid phase is carried out adiabatically...
An exothermic elementary reversible isomerisation reaction of A B in liquid phase is carried out adiabatically in a CSTR. Pure A is fed to the reactor at a concentration of 5 mollitre and feed rate of 500 mol/min. As a researcher you need to analyze the effect of different inlet temperature to the rate of reaction. The inlet temperature is varied at 50°C, 100°C and another two inlets temperature in between 70°C to 90°C. Perform your calculation based on energy...
. Question 2: The elementary, reversible, organic, liquid-phase reaction is carried out adiabatically in a CSTR...
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Question 2: The elementary, reversible, organic, liquid-phase reaction is carried out adiabatically in a CSTR where 65% conversion is achiewd Ated'anonn of A and 50% excess 8, enters the reactor at 27°C with a volumetric flow rate of 2 L/s and a Cos of O.1 mol/L culate the temperature inside the reactor 2. Calculate the equilibrium conversion at the operating temperature. How close (in 3. Calculate the CSTR volume percentage) the conversion is from the equilsbrium conversion? If the...
2. (50 pts) A first order, liquid-phase reaction A → B, is conducted in a 2000...
2. (50 pts) A first order, liquid-phase reaction A → B, is conducted in a 2000 L CSTR. The feed contains pure A, at a rate of 300 L min-1, with an inlet concentration of 4.0 mol L-1. The following additional data are available: Cp,a = Cp,l = 3.5 Jg-1K-4; Pa = 1.15 g cm3; AHRA = -50 kJ mol-1 (you can assume that these values are constants) ka = A e-EART = 2.4 x 1015e-12,000/T min-1, with T in...
The elementary, reversible gas phase reaction A B is to be carried out in a CSTR with heat exchange. Pure A is fed to t...
The elementary, reversible gas phase reaction A B is to be carried out in a CSTR with heat exchange. Pure A is fed to the reactor. The heat exchange coil in the reactor is maintained at 400K. The rate coefficient is known at 400K, but heat of reaction is unknown. Data: k1(400K) = 0.001 s.! V-1000L To=350K R-831 J/mol K h 5 mol's UA 1000 J/K Kea (450K-1 A) Calculate the conversion (X) if the steady state CSTR is operated...
3. Steady-State CSTR Assume you have an adiabatic CSTR operating at steady-state. Within the CSTR, reactant...
3. Steady-State CSTR Assume you have an adiabatic CSTR operating at steady-state. Within the CSTR, reactant A is being converted to product, where the rate of reaction is first order: A =kC However, the reaction is also exothermie, and the rate constant is described through the classic Arrhenius equation: k(T) = k e RT Under the set of conditions given, solve for the temperature (T) and the concentration (CA) leaving this CSTR operating under steady-state conditions. k . CA0| 3000...
, e th the reactor? 310 Ibm? 800 Ib,m. What if To 100°F? 500°F? The first-order irreversitte reacti A)B(g) + C(8) i...
, e th the reactor? 310 Ibm? 800 Ib,m. What if To 100°F? 500°F? The first-order irreversitte reacti A)B(g) + C(8) is carried out adiabatically in a CSTR into which 100 mol/min of pure liquid A is fed at 400 K. Th e reaction goes virtually to completion i.e., the feed rate e reactor equals the product of reaction rate inside the reactor and the into the reactor volume B(g) C(g) CSTR How many moles of liquid A are in...
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,...
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...
please solve it right . Example: Van de Vusse Reaction in an CSTR Van de Vusse liquid phase reaction is carried out...
please solve it right .
Example: Van de Vusse Reaction in an CSTR Van de Vusse liquid phase reaction is carried out in an isothermal CSTR according to the following stoichiometric equations: k3 where B is the desired product, and C and D are the undesired byproducts. The feed to the CSTR contains the reactant A only. The reaction rates are given by the following rate laws: 2 Additional information: k 0.8333 min k2 1.667 min, k3 0.1667 L min...
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...
An exothermic elementary reversible isomerisation reaction of A B in liquid phase is carried out adiabatically in a CSTR. Pure A is fed to the reactor at a concentration of 5 mollitre and feed rate of 500 mol/min. As a researcher you need to analyze the effect of different inlet temperature to the rate of reaction. The inlet temperature is varied at 50°C, 100°C and another two inlets temperature in between 70°C to 90°C. Perform your calculation based on energy...
.
Question 2: The elementary, reversible, organic, liquid-phase reaction is carried out adiabatically in a CSTR where 65% conversion is achiewd Ated'anonn of A and 50% excess 8, enters the reactor at 27°C with a volumetric flow rate of 2 L/s and a Cos of O.1 mol/L culate the temperature inside the reactor 2. Calculate the equilibrium conversion at the operating temperature. How close (in 3. Calculate the CSTR volume percentage) the conversion is from the equilsbrium conversion? If the...
2. (50 pts) A first order, liquid-phase reaction A → B, is conducted in a 2000 L CSTR. The feed contains pure A, at a rate of 300 L min-1, with an inlet concentration of 4.0 mol L-1. The following additional data are available: Cp,a = Cp,l = 3.5 Jg-1K-4; Pa = 1.15 g cm3; AHRA = -50 kJ mol-1 (you can assume that these values are constants) ka = A e-EART = 2.4 x 1015e-12,000/T min-1, with T in...
The elementary, reversible gas phase reaction A B is to be carried out in a CSTR with heat exchange. Pure A is fed to the reactor. The heat exchange coil in the reactor is maintained at 400K. The rate coefficient is known at 400K, but heat of reaction is unknown. Data: k1(400K) = 0.001 s.! V-1000L To=350K R-831 J/mol K h 5 mol's UA 1000 J/K Kea (450K-1 A) Calculate the conversion (X) if the steady state CSTR is operated...
3. Steady-State CSTR Assume you have an adiabatic CSTR operating at steady-state. Within the CSTR, reactant A is being converted to product, where the rate of reaction is first order: A =kC However, the reaction is also exothermie, and the rate constant is described through the classic Arrhenius equation: k(T) = k e RT Under the set of conditions given, solve for the temperature (T) and the concentration (CA) leaving this CSTR operating under steady-state conditions. k . CA0| 3000...
, e th the reactor? 310 Ibm? 800 Ib,m. What if To 100°F? 500°F? The first-order irreversitte reacti A)B(g) + C(8) is carried out adiabatically in a CSTR into which 100 mol/min of pure liquid A is fed at 400 K. Th e reaction goes virtually to completion i.e., the feed rate e reactor equals the product of reaction rate inside the reactor and the into the reactor volume B(g) C(g) CSTR How many moles of liquid A are in...
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,...
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...
please solve it right .
Example: Van de Vusse Reaction in an CSTR Van de Vusse liquid phase reaction is carried out in an isothermal CSTR according to the following stoichiometric equations: k3 where B is the desired product, and C and D are the undesired byproducts. The feed to the CSTR contains the reactant A only. The reaction rates are given by the following rate laws: 2 Additional information: k 0.8333 min k2 1.667 min, k3 0.1667 L min...
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