![It is desired to achieve 70% conversion of the reactant A in a gas stream of pure A at 900 kPa entering a reactor with a volumetric flow rate (po) of 3 Ls1 at 300 °C. The reaction A?B follows second order rate equation: where-a rate of reaction of A, moll-s-1 CA concentration of A, moll-1 i) Initial concentration of A, Cao (in moll-) k specific rate constant, 0.30 Lmol-1s-1 Calculate: i) Initial molar flow rate of A, Fxo (in mols) ii) Volume of a CSTR, (in L). iv) Volume of PFR (in L). You may assume the gases are ideal, and pressure, temperatures remain constant throughout the reaction. [Additional data: R-8314 Jrnol-1 K-1 ]. 8.1 Integral Table dX a dX 1- X (1 tex)dx +X- (1 +EX) dX (1 +e)2x e-x ?? PROC2083 Reaction Engineering](http://img.homeworklib.com/questions/f6504bf0-4d74-11ec-b7a0-f1b5e769d0b2.png?x-oss-process=image/resize,w_560)
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It is desired to achieve 70% conversion of the reactant A in a gas stream of...
The irreversible gas phase rxn, A=> B+C is performed in an adiabatic, 800‐liter PFR with a rate...
The irreversible gas phase rxn, A=> B+C is performed in
an adiabatic, 800‐liter PFR with a rate constant, k, as
below: k=60*exp(‐5000/T) s‐1 The feed is pure A at 15 bar and 450 K
with a volumetric flow rate of 1.956 L/s. The heat of
rxnis ‐12 kJ/mol(independent of temperature), heat
capacities are CPA= 40 J/mol/K, CPB= 15 J/mol/K, and CPC
= 25 J/mol/K. The reaction is operated at constant
pressure Plot (a) FAand FBversus reactor volume (b) Temperature
versus reactor volume (c) volumetric flow...
2. Derive equations quantifying concentrations of Ca and C in the effluent from a CSTR if...
2. Derive equations quantifying concentrations of Ca and C in the effluent from a CSTR if you know that Cao is the influent substrate concertation; V is volume of the reactor, F is flow rate; k is reaction rate constant, and they are all known. The reaction in the reactor A Reaction is of first order with the rate rA-k. CA CSTR CA, CB CAO
A 3rd order irreversible reaction takes place in a PFR reactor. The flow entering the PFR...
A 3rd order irreversible reaction takes place in a PFR reactor. The flow entering the PFR has a concentration of A of CA0. The volumetric flow rate is a constant, v0, and the reaction rate constant is kA. Please derive a relation between the concentration of A (CA) with respect to the volume of PFR, V. Draw a diagram of 1/CA2 vs. V. PLOT THERE IS NO TABLE PROVIDED assume numbers
QUESTION 2: Design of Multiple Reactors: 30 marks B +C was a a) An elementary reaction...
QUESTION 2: Design of Multiple Reactors: 30 marks B +C was a a) An elementary reaction A reaction A B +C was carried out in a reactor system using an ideal STR followed by an ideal PER Isothermany. The rate constant is k = 0.4 min ". The volumetric flow rate is 20 L/min. The concentration of A in the feed is 5 moles/L. 1. Calculate the volume of the CSTR necessary to achieve a conversion of 50%. (7 marks)...
Kinetic reactions Please make sure you get the same answers as written and solve all the...
Kinetic reactions
Please make sure you get the same answers as written and
solve all the parts
Thanks in advance
3. The elementary gas-phase reaction A → B + 2C gives a rate constant of 10-4 min-1 at 50°C and has an activation energy of 85 kJ mol1. This reaction is carried out in a flow reactor that is operated isothermally at 127 °C with a negligible pressure drop. The reactor feed is pure A, entering at 127 °C and...
The degradation of atrazine can be described by second-order kinetics with k= 5 L∙mg-1min-1 in a...
The degradation of atrazine can be described by second-order kinetics with k= 5 L∙mg-1min-1 in a reactor. Calculate the volume of a PFR and CSTR required to remove atrazine to the MCL if the flow rate is 2 m3/min and C0 is 0.06 mg/L. Assume steady-state. If it costs $1/gal of tank and $4/gal of tank for a CSTR and a PFR, respectively, determine which type of reactor would be cheaper to construct.
Note: Assume that the volumetric flow rate does not change with reaction extent; when one reactant...
Note: Assume that the volumetric flow rate does not change with
reaction extent; when one reactant is in large excess, it is
reasonable to assume constant volumetric flow rate, especially for
liquid-phase reactions. You can only find KCbVr/Q that would yield
the desired 50% conversion in a single CSTR!
A liquid-phase reaction A + B C, p = kcbc takes place in a CSTR of volume VR in the presence of a large excess of reactant B. Assume the reactor...
The elementary gas phase reaction (A <--> 2B) is to be carried out in an adiabatic...
The elementary gas phase reaction (A <--> 2B) is to be carried out in an adiabatic CSTR. The feed which is at a temperature of 27oC, consists of 80% of A and the remainder inerts. The volumetric flow rate entering the reactor at this temperature is 100 l/min. The concentration of A in the feed at 27oC is 0.5 mol/liter. For 80% of the adiabatic equilibrium conversion, calculate the required reactor volume. DATA: CpA=12 J/mol.K; CpB=10 J/mol.K; CpI=15 J/mol.K deltaHrxn=-75000...
The following elementary gas phase reaction A+2B—>C+D Feed is A/B= 1/3 mol A/I =4/1 (mole basis)...
The
following elementary gas phase reaction
A+2B—>C+D
Feed is A/B= 1/3 mol A/I =4/1 (mole basis)
is to be carried out in an isothermal CSTR. Given that:
T=500C
P=5 atm
Ea=15500cal/gmol
A=1.5e4
K=A*exp^(-Ea/RT)
Qo= 100 L/s
Reactor volume= 20,000L
a) what are the exit molar flow rates? Fa, Fb, Fc, Fd,
Fi
b) what is the exit volumetric flow rate Q?
2. The following elementary irreversible gas-phase reaction: A+2B >C+D Is to carried out in an isothermal CSTR. Given that:...
Describe your solutions in detail, because partial credit will be given based on your work. If...
Describe your solutions in detail, because partial credit will be given based on your work. If additional information is necessary in solving the problems, DO use your engineering sense and provide reasonable assumptions and explanations. You may use your calculator if necessary. Use a language of your choice. Note: The following information may be used. Gas constant, R-8.314 J(mol K)-8.314 kPa L/(mol K)-0.082 L atm/(mol K)-6.132 lbr ft/(gmol K)=1,987 cal/(mol K). Atomic mass of N-14; Atomic mass of O= 1...
The irreversible gas phase rxn, A=> B+C is performed in
an adiabatic, 800‐liter PFR with a rate constant, k, as
below: k=60*exp(‐5000/T) s‐1 The feed is pure A at 15 bar and 450 K
with a volumetric flow rate of 1.956 L/s. The heat of
rxnis ‐12 kJ/mol(independent of temperature), heat
capacities are CPA= 40 J/mol/K, CPB= 15 J/mol/K, and CPC
= 25 J/mol/K. The reaction is operated at constant
pressure Plot (a) FAand FBversus reactor volume (b) Temperature
versus reactor volume (c) volumetric flow...
2. Derive equations quantifying concentrations of Ca and C in the effluent from a CSTR if you know that Cao is the influent substrate concertation; V is volume of the reactor, F is flow rate; k is reaction rate constant, and they are all known. The reaction in the reactor A Reaction is of first order with the rate rA-k. CA CSTR CA, CB CAO
QUESTION 2: Design of Multiple Reactors: 30 marks B +C was a a) An elementary reaction A reaction A B +C was carried out in a reactor system using an ideal STR followed by an ideal PER Isothermany. The rate constant is k = 0.4 min ". The volumetric flow rate is 20 L/min. The concentration of A in the feed is 5 moles/L. 1. Calculate the volume of the CSTR necessary to achieve a conversion of 50%. (7 marks)...
Kinetic reactions
Please make sure you get the same answers as written and
solve all the parts
Thanks in advance
3. The elementary gas-phase reaction A → B + 2C gives a rate constant of 10-4 min-1 at 50°C and has an activation energy of 85 kJ mol1. This reaction is carried out in a flow reactor that is operated isothermally at 127 °C with a negligible pressure drop. The reactor feed is pure A, entering at 127 °C and...
Note: Assume that the volumetric flow rate does not change with
reaction extent; when one reactant is in large excess, it is
reasonable to assume constant volumetric flow rate, especially for
liquid-phase reactions. You can only find KCbVr/Q that would yield
the desired 50% conversion in a single CSTR!
A liquid-phase reaction A + B C, p = kcbc takes place in a CSTR of volume VR in the presence of a large excess of reactant B. Assume the reactor...
The
following elementary gas phase reaction
A+2B—>C+D
Feed is A/B= 1/3 mol A/I =4/1 (mole basis)
is to be carried out in an isothermal CSTR. Given that:
T=500C
P=5 atm
Ea=15500cal/gmol
A=1.5e4
K=A*exp^(-Ea/RT)
Qo= 100 L/s
Reactor volume= 20,000L
a) what are the exit molar flow rates? Fa, Fb, Fc, Fd,
Fi
b) what is the exit volumetric flow rate Q?
2. The following elementary irreversible gas-phase reaction: A+2B >C+D Is to carried out in an isothermal CSTR. Given that:...
Describe your solutions in detail, because partial credit will be given based on your work. If additional information is necessary in solving the problems, DO use your engineering sense and provide reasonable assumptions and explanations. You may use your calculator if necessary. Use a language of your choice. Note: The following information may be used. Gas constant, R-8.314 J(mol K)-8.314 kPa L/(mol K)-0.082 L atm/(mol K)-6.132 lbr ft/(gmol K)=1,987 cal/(mol K). Atomic mass of N-14; Atomic mass of O= 1...
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