Which of the following is a controlling factor in very fast heterogeneous reaction?

Chemical Reaction Engineering
Which of the following is a controlling factor in very fast heterogeneous reaction?

Heat and mass transfer effects

Composition of reactant

Pressure

Temperature

Heat and mass transfer effects

Composition of reactant

Pressure

Temperature

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Chemical Reaction Engineering
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Tan hT/T

Tan T/T

None of these

Tan hT/tan T

Tan hT/T

Tan T/T

None of these

Tan hT/tan T

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Chemical Reaction Engineering
For a heterogeneous catalytic reaction

The catalyst does not form an intermediate complex with the reactant

Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction

A relatively small amount of catalyst can cause the conversion of large amount of reactants which does not mean that catalyst concentration is important

The surface of the catalyst does not play an important role during reaction

The catalyst does not form an intermediate complex with the reactant

Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction

A relatively small amount of catalyst can cause the conversion of large amount of reactants which does not mean that catalyst concentration is important

The surface of the catalyst does not play an important role during reaction

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Chemical Reaction Engineering
For a mixed flow reactor operating at steady state, the rate of reaction is given by

FA0/V . Xsub>A

- dCsub>A/dt

FA0/V + dCsub>A/dt

FA0/V - dCsub>A/dt

FA0/V . Xsub>A

- dCsub>A/dt

FA0/V + dCsub>A/dt

FA0/V - dCsub>A/dt

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Chemical Reaction Engineering
For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a

Both A and B

Tubular reactor is preferred over a single CSTR for high yield

Batch reactor is preferred over a single CSTR for high yield

Single CSTR is the most suitable

Both A and B

Tubular reactor is preferred over a single CSTR for high yield

Batch reactor is preferred over a single CSTR for high yield

Single CSTR is the most suitable

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Chemical Reaction Engineering
Which of the following is the most suitable for isothermal operation?

Plug-flow reactor

Fixed bed reactor

Back-mix reactor

Batch reactor

Plug-flow reactor

Fixed bed reactor

Back-mix reactor

Batch reactor

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Chemical Reaction Engineering

Chemical Reaction Engineering Which of the following is a controlling factor in very fast heterogeneous reaction?

Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Chemical Reaction Engineering For a heterogeneous catalytic reaction

Chemical Reaction Engineering For a mixed flow reactor operating at steady state, the rate of reaction is given by

Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a

Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation?

Chemical Reaction Engineering
Which of the following is a controlling factor in very fast heterogeneous reaction?

Chemical Reaction Engineering
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Chemical Reaction Engineering
For a heterogeneous catalytic reaction

Chemical Reaction Engineering
For a mixed flow reactor operating at steady state, the rate of reaction is given by

Chemical Reaction Engineering
For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a

Chemical Reaction Engineering
Which of the following is the most suitable for isothermal operation?