Podcast
Questions and Answers
What is a term used for the liquid materials collected at the bottom of a distillation column?
What is a term used for the liquid materials collected at the bottom of a distillation column?
- Distillate
- Heavies (correct)
- Overheads
- Lights
Why is repairing damaged trays so costly and time consuming?
Why is repairing damaged trays so costly and time consuming?
- Because cleaning a tray often requires several days to complete
- Because the entire system must be shut down (correct)
- Because only highly skilled technician can perform the repairs
- Because most plants have to special-order the trays
When should the reflux flow be increased in a distillation system?
When should the reflux flow be increased in a distillation system?
- When the column temperature is too low
- When the feed temperature is too low
- When the feed temperature is too high
- When the column temperature is too high (correct)
Which of the following is the distillation system with the simplest configuration?
Which of the following is the distillation system with the simplest configuration?
What is the feed rate set point based on?
What is the feed rate set point based on?
The inert or noncondensable gases in the feed in a distillation system ________.
The inert or noncondensable gases in the feed in a distillation system ________.
Where is the enrichment section of a distillation column located?
Where is the enrichment section of a distillation column located?
What condition occurs in a distillation system when the rate of liquid flowing down a column exceeds the capacity of a downcomer?
What condition occurs in a distillation system when the rate of liquid flowing down a column exceeds the capacity of a downcomer?
In a simple, continuous distillation column, the more volatile liquid tends to travel ________.
In a simple, continuous distillation column, the more volatile liquid tends to travel ________.
What is an operating condition for a distillation tower in which the feed, along with overhead and bottom products, is stopped?
What is an operating condition for a distillation tower in which the feed, along with overhead and bottom products, is stopped?
The reflux drum level ________.
The reflux drum level ________.
In which part of a distillation column does hot vapor heat the process liquid to evaporate the lighter component?
In which part of a distillation column does hot vapor heat the process liquid to evaporate the lighter component?
The ________ is a heat exchanger that is used to liquefy vapor by cooling it to form a liquid.
The ________ is a heat exchanger that is used to liquefy vapor by cooling it to form a liquid.
For a tall distillation column with many trays, where is the pressure the greatest?
For a tall distillation column with many trays, where is the pressure the greatest?
What condition occurs when the velocity or turbulence of the vapor pulls in or carries along liquid droplets or solid particles?
What condition occurs when the velocity or turbulence of the vapor pulls in or carries along liquid droplets or solid particles?
What term refers to the pressure drop from top to bottom in a distillation tower?
What term refers to the pressure drop from top to bottom in a distillation tower?
To remove and replace packing and distributors in tall distillation towers, what may be required?
To remove and replace packing and distributors in tall distillation towers, what may be required?
The ________ is another name for the part of a distillation column where the liquid overhead stream gets enriched in the lighter, more volatile components.
The ________ is another name for the part of a distillation column where the liquid overhead stream gets enriched in the lighter, more volatile components.
Controlling the ________ is the key to good distillation control.
Controlling the ________ is the key to good distillation control.
What condition occurs when liquid drips down through holes in a tray onto the tray below?
What condition occurs when liquid drips down through holes in a tray onto the tray below?
What term describes the difference between the final and initial boiling point temperatures in a multicomponent mixture?
What term describes the difference between the final and initial boiling point temperatures in a multicomponent mixture?
What should technicians do if they notice increasing concentrations of heavy components in the distillate?
What should technicians do if they notice increasing concentrations of heavy components in the distillate?
Distillation components having boiling points that are close together require ________.
Distillation components having boiling points that are close together require ________.
The composition and purity of the overhead vapor leaving the column is directly related to the ________.
The composition and purity of the overhead vapor leaving the column is directly related to the ________.
How often should technicians collect and analyze samples (typically feed, overhead and bottoms product)?
How often should technicians collect and analyze samples (typically feed, overhead and bottoms product)?
Flashcards
Capital of France (example flashcard)
Capital of France (example flashcard)
Paris
