Chemistry · Mass Transfer
Which of the following statements correctly distinguishes countercurrent flow from cocurrent flow in gas absorption?
- 1In cocurrent flow, gas and liquid move in opposite directions with uniform composition change.
- 2In countercurrent flow, gas and liquid move in the same direction, reducing concentration gradients.
- 3In countercurrent flow, gas and liquid move in opposite directions, maintaining a higher average driving force.✓
- 4In cocurrent flow, gas and liquid move in reverse directions with enhanced driving force.
Correct answer
In countercurrent flow, gas and liquid move in opposite directions, maintaining a higher average driving force.
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