The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the__________________?
Correct answer: C. Electro-static precipitator
- A. Venturi atomiser
- B. Gravity settling chamber
- C. Electro-static precipitator
- D. Cyclone separator
Explanation
An electrostatic precipitator gives particles an electrical charge and collects them on oppositely charged plates, making it highly effective for sub-micronic dust. Gravity chambers and cyclones are mainly suited to much larger particles.
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