Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

Chemical Reaction Engineering
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

None of these

Very high temperature should be used throughout the reaction

Temperature should be high in the beginning and decreased towards the end of the reaction

Very low temperature should be used throughout the reaction

None of these

Very high temperature should be used throughout the reaction

Temperature should be high in the beginning and decreased towards the end of the reaction

Very low temperature should be used throughout the reaction

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Chemical Reaction Engineering
Arrhenious equation represents graphically the variation between the __________ and temperature.

Rate constant

Rate of reaction

Frequency factor

Activation energy

Rate constant

Rate of reaction

Frequency factor

Activation energy

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Chemical Reaction Engineering
Pick out the wrong statement pertaining to space velocity of flow reactors.

The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour

The unit of space velocity is (time)⁻¹

None of these

The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor

The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour

The unit of space velocity is (time)⁻¹

None of these

The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor

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Chemical Reaction Engineering
Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if

A catalyst is added

None of these

An inert gas is pumped keeping the temperature constant

The temperature is increased

A catalyst is added

None of these

An inert gas is pumped keeping the temperature constant

The temperature is increased

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Chemical Reaction Engineering
In flow reactors, the performance equations interrelate the rate of reaction to the

Extent of reaction

Reactor volume

Feed rate

All of these

Extent of reaction

Reactor volume

Feed rate

All of these

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Chemical Reaction Engineering
For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is

11

4

2

22

11

4

2

22

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Chemical Reaction Engineering

Chemical Reaction Engineering Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature.

Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors.

Chemical Reaction Engineering Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if

Chemical Reaction Engineering In flow reactors, the performance equations interrelate the rate of reaction to the

Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is

Chemical Reaction Engineering
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

Chemical Reaction Engineering
Arrhenious equation represents graphically the variation between the __________ and temperature.

Chemical Reaction Engineering
Pick out the wrong statement pertaining to space velocity of flow reactors.

Chemical Reaction Engineering
Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if

Chemical Reaction Engineering
In flow reactors, the performance equations interrelate the rate of reaction to the

Chemical Reaction Engineering
For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is