Gas Absorption ChE 132: Separation Processes I Quiz
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Questions and Answers

What happens to the diffusional driving force at minimum liquid to gas ratio in gas absorption?

  • It increases
  • It becomes zero (correct)
  • It stays the same
  • It decreases

What is the effect on the exit liquid composition at minimum liquid flow rate in gas absorption?

  • It stays the same
  • It decreases
  • It becomes maximum (correct)
  • It increases

What is the impact on the slope of the operating line at minimum liquid flow rate in gas absorption?

  • It is maximum
  • It decreases
  • It becomes zero
  • It is minimum (correct)

What is the relationship between liquid and gas flow rates at minimum liquid to gas ratio in gas absorption?

<p>V’ is fixed, L’ is minimum (B)</p> Signup and view all the answers

What happens to the time of contact between liquid and gas at minimum liquid flow rate in gas absorption?

<p>It becomes infinite (C)</p> Signup and view all the answers

What is the impact on the slope of the operating line at minimum liquid flow rate in gas absorption?

<p>The slope of the operating line decreases (A)</p> Signup and view all the answers

What happens to the diffusional driving force at minimum liquid to gas ratio in gas absorption?

<p>The diffusional driving force becomes zero (B)</p> Signup and view all the answers

What is the relationship between liquid and gas flow rates at minimum liquid to gas ratio in gas absorption?

<p>The liquid flow rate is maximum and gas flow rate is minimum (D)</p> Signup and view all the answers

What happens to the time of contact between liquid and gas at minimum liquid flow rate in gas absorption?

<p>The time of contact increases (D)</p> Signup and view all the answers

What is the effect on the exit liquid composition at minimum liquid flow rate in gas absorption?

<p>The exit liquid composition increases (C)</p> Signup and view all the answers

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