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Chapter 5: Isothermal Reactor Design: Conversion
Elementary gas phase reaction in different reactor types.
CSTR
The elementary gas phase reaction
takes place in a CSTR at constant temperature (500 K) and constant pressure (16.4 atm). The feed is equal molar in A and B.
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Mole Balance |
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Rate Law |
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Stoichiometry |
gas phase, isothermal (T = T0), no pressure drop (P = P0) |
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Why do you suppose CB is a constant, when B is being consumed? |
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Combine |
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Evaluate |
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PFR and Batch Reactors
Elementary Gas Phase Reaction:
PFR
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| Rate Law |  |
| Stoichiometry | gas phase, isothermal (T = T0), no pressure drop (P = P0), CAo=CBo (Q=1), v=vo(1+eX) |
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| Combine |  |
| Parameter Evaluation | CAo=0.2, v=vo=25 dm3/s, k=10 dm6/mol2 s, e=-0.5, X=0.9 |
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| V=227 dm3 |
Batch Reactor Constant Volume, V=Voand the pressure changes.
| Mole Balance |  |
| Rate Law | |
| Stoichiometry |  |
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| Combine |  |
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| Parameter Evaluation | CAo=0.2, k=10 dm6/mol2 s, |
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