| Performance
Objectives: |
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Pass |
Fail |
| Topic
1: Feed Problems |
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| 1.1
Explain the role of feed rate in maintaining column equilibrium. |
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| 1.2
Identify problems that can occur when the feed rate is incorrect. |
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| 1.3
Describe conditions that can lead to three operating problems: overloading,
flooding, and puking. |
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| 1.4
Describe some mechanical causes of overloading. |
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| 1.5
Explain how to identify a flooded condition in a distillation tower. |
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| 1.6
Explain how a liquid flood can be broken. |
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| 1.7
Explain how flooding can be prevented or controlled. |
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| 1.8
Identify process disturbances that can result from changes in the feed to
a distillation tower. |
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| 1.9
Identify problems that can show up during the startup of a distillation
system. |
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| Topic
2: Reflux Problems |
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| 2.1
Explain what reflux is. |
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| 2.2
Describe what can happen if the amount of reflux going back to the column
is not correct. |
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| 2.3
Identify typical disturbances that can occur in shell and tube condensers
and fin-fan condensers. |
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| Topic
3: Reboiler Problems |
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| 3.1
Describe sources of heat input for a distillation tower at your site. |
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| 3.2
Explain the role of reboiler operation in maintaining column equilibrium. |
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| 3.3
Identify problems that can occur when the reboiler is operated incorrectly. |
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| 3.4
Identify typical disturbances that can occur in shell and tube reboilers
and fired reboilers. |
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| 3.5
Define over-fractionation. |
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