Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant ?
Correct answer: A. Ammonium sulphate
- A. Ammonium sulphate
- B. Ammonium nitrate
- C. Ammonium phosphate
- D. None of these
Explanation
Ammonia recovered from coke-oven gas is reacted with sulphuric acid in the by-products plant to form ammonium sulphate, a valuable nitrogen fertiliser. Ammonium nitrate and phosphate require different downstream acid treatment.
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