prilling
noun1
The solidification of droplets of molten material falling against an upward stream of air; used especially to agglomerate ammonium nitrate and urea for use as a fertilizer.
- In air prilling, molten sulphur is sprayed from the top of a tower against an upward flow of air. As the sulphur falls, the sulphur droplets break into small droplets and cools into prills.2005, Douglas K. Louie, Handbook of Sulfuric Acid Manufacturing, pages 5–11:
- Related terms
- prill, prilling tower