Even though bubble cap towers are very effective for humidification operation, they are not used commonly in industries, because of the_________________?
Correct answer: B. High pressure drop of the gas
- A. High evaporation losses of water
- B. High pressure drop of the gas
- C. Difficulty in its fabrication
- D. None of these
Explanation
Bubble-cap trays provide effective gas-liquid contact but impose a relatively high pressure drop because gas must pass through the liquid seals and caps. This higher energy requirement limits their industrial use compared with simpler trays or packings.
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