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Process for reducing the ammonia content of a gaseous effluent from urea production plants

  • US 5,527,961 A
  • Filed: 06/07/1994
  • Issued: 06/18/1996
  • Est. Priority Date: 06/09/1993
  • Status: Expired due to Term
First Claim
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1. A process for neutralizing the ammonia present in the molten urea originating from the concentration section of a plant for its production, comprising adding to the molten urea a small quantity of an inorganic acid wherein said quantity is between about 0.25% and 0.45% based on the weight of the molten urea.

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