Method for producing anhydrous calcium nitrate powder

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United States of America Patent

PATENT NO 9908787
APP PUB NO 20170096347A1
SERIAL NO

15311528

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Abstract

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The invention relates to a method for producing an anhydrous powder having a calcium nitrate content of between 92 and 99.9 weight %, a water content of between 0.1 and 8 weight %; and a particle size of between 0.05 and 1.5 mm, wherein the method comprises the step of subjecting a calcium nitrate solution having a water content of between 70 and 15 weight % and a calcium nitrate content of between 30 and 85 weight % to a drying step in an industrial turbo-dryer, resulting in the anhydrous calcium nitrate powder. The invention furthermore relates to such an anhydrous calcium nitrate powder and the use of an industrial turbo-dryer to produce such anhydrous calcium nitrate powder.

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Patent Owner(s)

  • YARA INTERNATIONAL ASA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Obrestad, Torstein Ulefoss, NO 14 43

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