Fertiliser Technology

In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable_____.

  • A. CaSO₄ .½H₂O and CaSO₄ crystals
  • B. Pyrophosphoric acid
  • C. Metaphosphoric acid
  • D. All of the above
Answer: Option A.

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