Which of the following is not an additive for flue gases from furnace to reduce its dewpoint ?
Correct answer: D. None of these
- A. Ammonia
- B. Fine dolomite
- C. Alkaline powders
- D. None of these
Explanation
Ammonia, dolomite, and alkaline powders can neutralise acidic sulphur oxides and suppress the acid dew point of flue gas. Therefore none of the listed substances is excluded.
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