Novel Coating Technologies to Reduce Rate of Moisture Absorption of Phosphate and Phosphate/Urea Substrates

9 Pages Posted: 28 May 2020

Date Written: May 28, 2020

Abstract

One of the most significant challenges in handling bulk materials like fertilizer substrates is the affinity of the substrate components to adsorb moisture. This affinity is further exaggerated when blended with other substrates, as well as when stored in regions with elevated humidity. Examples of this are seen when combining phosphate substrates (DAP, MAP, SSP etc.) with nitrogen-containing substrates (ammonium sulfate, urea etc.) to produce various grades of NPK. The combination of these substrates can increase the rate of deliquescence or moisture uptake in granular fertilizers, which can either lead to mushiness observed on the surface of fertilizer granules, mass gain due to absorption into granules, and even increased caking tendencies.

Keywords: Deliquescence, Ammonium Phosphate, Urea, Single Super Phosphate, Moisture Absorption, Coatings

Suggested Citation

Moore, Lucas R. and Fernandez, Jose and Konecki, Christina and Burrell, Zachary, Novel Coating Technologies to Reduce Rate of Moisture Absorption of Phosphate and Phosphate/Urea Substrates (May 28, 2020). SYMPHOS 2019 – 5th International Symposium on Innovation & Technology in the Phosphate Industry, Available at SSRN: https://ssrn.com/abstract=3612740 or http://dx.doi.org/10.2139/ssrn.3612740

Lucas R. Moore (Contact Author)

ArrMaz-Arkema ( email )

4800 State Road 60 E
Mulberry, FL 33860
United States

Jose Fernandez

ArrMaz-Arkema ( email )

4800 State Road 60 E
Mulberry, FL 33860
United States

Christina Konecki

ArrMaz-Arkema ( email )

4800 State Road 60 E
Mulberry, FL 33860
United States

Zachary Burrell

ArrMaz-Arkema ( email )

4800 State Road 60 E
Mulberry, FL 33860
United States

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