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Chemical Reaction Engineering

Chemical Reaction Engineering
n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume

1/V
V
V/n
V.n

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Chemical Reaction Engineering
In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the

Temperature
Total pressure of the system
Initial concentration of N₂ and H₂
Volume of the reactor

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Chemical Reaction Engineering
An example of autothermal reactor operation is

Ammonia synthesis
Sulphur dioxide oxidation
Ethylene oxidation
Benzene oxidation

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Chemical Reaction Engineering
A back mix reactor is

Ideal at very low conversion
Suitable for gas phase reactions
Same as plug flow reactor (PFR)
Same as ideal stirred tank reactor

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Chemical Reaction Engineering
An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.

Increase
Remain unchanged
Increase exponentially
Decrease

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Chemical Reaction Engineering
For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single

CSTR of volume V/X
CSTR of volume V
PFR of volume V/X
PFR of volume V

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