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Urea and nitrogen stabilizer compositions and methods and systems of making and using thereof

  • US 9,394,210 B2
  • Filed: 08/25/2014
  • Issued: 07/19/2016
  • Est. Priority Date: 08/23/2013
  • Status: Active Grant
First Claim
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1. A method of producing a solid urea-nitrogen stabilizer composition comprising:

  • a) forming molten urea;

    b) adding a nitrogen stabilizer composition to said molten urea, wherein said nitrogen stabilizer composition comprises NBPT at a purity of at least 95% by weight; and

    c) cooling the molten urea-nitrogen stabilizer composition to form the solid urea-nitrogen stabilizer composition.

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