For absorbing a sparingly soluble gas in a liquid ___________________?
Correct answer: B. Liquid side mass transfer co-efficient should be increased
- A. Gas side mass transfer co-efficient should be increased
- B. Liquid side mass transfer co-efficient should be increased
- C. Liquid side mass transfer co-efficient should be decreased
- D. Mass transfer co-efficient must be kept constant
Explanation
For a sparingly soluble gas, the dominant resistance is usually in the liquid film because the dissolved gas must diffuse through the liquid before absorption is complete. Increasing the liquid-side mass-transfer coefficient therefore most effectively improves absorption.
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