Prilling tower is found in the flowsheet for the manufacture of__________________?
Correct answer: B. Urea
- A. Ammonia
- B. Urea
- C. Superphosphate
- D. Triple superphosphate
Explanation
A urea prilling tower sprays molten urea from the top, and the droplets solidify as prills while falling through a countercurrent air stream. Prilling is therefore a characteristic finishing step in urea manufacture.
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