Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?
Correct answer: B. High cost of the high pressure vessel used for the reactor
- A. Comparatively higher pressure drop
- B. High cost of the high pressure vessel used for the reactor
- C. Higher pumping cost
- D. Chances of entrainment and disturbance of catalyst bed
Explanation
Ammonia synthesis occurs at very high pressure, so using several separate high-pressure reactor vessels would greatly increase equipment cost. The process instead uses catalyst beds within a high-pressure converter.
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