In an integrated steel plant, NH3 present in coke oven gas is normally recovered as_________________?
Correct answer: A. (NH4)2SO4
- A. (NH4)2SO4
- B. NH4Cl
- C. (NH4)2 NO3
- D. Liquid NH3
Explanation
Ammonia recovered from coke-oven gas is absorbed in sulfuric acid, producing ammonium sulfate: 2NH₃ + H₂SO₄ → (NH₄)₂SO₄. This salt is also recovered as a useful fertilizer by-product.
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