The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between___________________?
Correct answer: B. 7-10 %
- A. 2-5 %
- B. 7-10 %
- C. 12-15 %
- D. 20-25 %
Explanation
The contact process commonly uses a gas feed containing about 7–10% SO2, with oxygen and nitrogen making up most of the remainder. Higher SO2 concentrations can create heat-removal and equilibrium limitations in the converter.
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