| Performance
Objectives: |
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Pass |
Fail |
| Topic
1: Balances |
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| 1.1
Explain what is meant by material balance and identify material
balance variables for a distillation system at your site. |
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| 1.2
Explain what is meant by energy balance and identify energy
balance variables for a distillation system at your site. |
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| 1.3
Describe material balance and energy balance control loops
for a distillation system at your site. |
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| 1.4
Explain what is meant by steady-state operation. |
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| 1.5
Explain what is meant by a process disturbance. |
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| 1.6
Describe how a distillation tower control system at your site
responds to a process disturbance such as a change in feed
composition. |
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| Topic
2: Process Temperatures |
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| 2.1
Describe how a distillation tower control system at your site
responds to an increase in bottom temperature. |
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| 2.2
Explain how the following conditions affect the composition
of the overhead and bottoms products from a distillation system
at your site: increase in bottom temperature, decrease in bottom
temperature, and change in external reflux. |
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| Topic
3: Product Composition |
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| 3.1
Explain the difference between direct and indirect composition
measurements. |
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| 3.2
Explain what is meant by product giveaway. |
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| 3.3
Describe how a distillation tower at your site is operated to
maintain product specifications. |
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| 3.4
Explain what is meant by process lag. |
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