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?

Very low temperature should be used throughout the reaction

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

None of these

Very high temperature should be used throughout the reaction

Very low temperature should be used throughout the reaction

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

None of these

Very high temperature should be used throughout the reaction

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Chemical Reaction Engineering
If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle)

Changes unpredictably

Increases

Decreases

Remains unaltered

Changes unpredictably

Increases

Decreases

Remains unaltered

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Chemical Reaction Engineering
Batch process is preferred over continuous process, when the

Sales demand of product is not steady

Product yields and quality can not be achieved in continuous process, because of long residence time

All of these

Same equipment can not be used for several processes of the same nature

Sales demand of product is not steady

Product yields and quality can not be achieved in continuous process, because of long residence time

All of these

Same equipment can not be used for several processes of the same nature

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Chemical Reaction Engineering
With increase in initial concentration, the fractional conversion of a first order reaction in a given time

Decreases

Increases

Remains constant

Unpredictable

Decreases

Increases

Remains constant

Unpredictable

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Chemical Reaction Engineering
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Decrease

Remain same

Data in insufficient; can't be predicted

Increase

Decrease

Remain same

Data in insufficient; can't be predicted

Increase

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Chemical Reaction Engineering
Catalyst carriers

Increase the activity of a catalyst

Inhibit catalyst poisoning

Provide large surface area with a small amount of active material

Have very high selectivity

Increase the activity of a catalyst

Inhibit catalyst poisoning

Provide large surface area with a small amount of active material

Have very high selectivity

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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 If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle)

Chemical Reaction Engineering Batch process is preferred over continuous process, when the

Chemical Reaction Engineering With increase in initial concentration, the fractional conversion of a first order reaction in a given time

Chemical Reaction Engineering With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Chemical Reaction Engineering Catalyst carriers

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
If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle)

Chemical Reaction Engineering
Batch process is preferred over continuous process, when the

Chemical Reaction Engineering
With increase in initial concentration, the fractional conversion of a first order reaction in a given time

Chemical Reaction Engineering
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Chemical Reaction Engineering
Catalyst carriers