Chapter 4 Self Test

Zero-order Reaction in a CSTR and PFR

The zero order reaction

is carried out in a CSTR and in a PFR. For an entering volumetric flowrate of 10 dm³/s at a concentration of .5 mol/dm³, what is the space time for each reactor to achieve 90% conversion.
Additional Information: k_A = 0.01 mol/dm³•s

Hint 1: CSTR mole balance.

Hint 2: CSTR combined mole balance and rate law

Full Solution: CSTR

Solution: PFR

Hint 1

MOLE BALANCE:

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Hint 2

RATE LAW:
COMBINE:

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The zero order reaction

is carried out in a CSTR and in a PFR. For an entering volumetric flowrate of 10 dm³/s at a concentration of .5 mol/dm³, what is the space time for each reactor to achieve 90% conversion.

Full Solution: CSTR

MOLE BALANCE:
RATE LAW:
STOICHIOMETRY:
COMBINE:

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The zero order reaction

is carried out in a CSTR and in a PFR. For an entering volumetric flowrate of 10 dm³/s at a concentration of .5 mol/dm³, what is the space time for each reactor to achieve 90% conversion.

Full Solution: PFR

MOLE BALANCE:

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