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
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 hT/tan T

Tan T/T

None of these

Tan hT/T

Tan hT/tan T

Tan T/T

None of these

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Chemical Reaction Engineering
__________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.

None of these

Ash diffusion

Gas film diffusion

Chemical reaction

None of these

Ash diffusion

Gas film diffusion

Chemical reaction

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Chemical Reaction Engineering
What is the dispersion number for a CSTR?

< 1

1

∞

0

< 1

1

∞

0

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Chemical Reaction Engineering
Catalyst carriers

Increase the activity of a catalyst

Provide large surface area with a small amount of active material

Have very high selectivity

Inhibit catalyst poisoning

Increase the activity of a catalyst

Provide large surface area with a small amount of active material

Have very high selectivity

Inhibit catalyst poisoning

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Chemical Reaction Engineering
The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst.

Unpredictable from the data

Decreases

Remains unaffected

Increases

Unpredictable from the data

Decreases

Remains unaffected

Increases

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

Sales demand of product is not steady

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

All of these

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

Sales demand of product is not steady

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

All of these

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

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Chemical Reaction Engineering

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 __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.

Chemical Reaction Engineering What is the dispersion number for a CSTR?

Chemical Reaction Engineering Catalyst carriers

Chemical Reaction Engineering The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst.

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

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
__________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.

Chemical Reaction Engineering
What is the dispersion number for a CSTR?

Chemical Reaction Engineering
Catalyst carriers

Chemical Reaction Engineering
The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst.

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