In pursuit of quality...

Most of the granulation plants in the United States have been upgraded with the objective of increasing capacity and on-stream factors. These upgraded plants found ways to produce more product but often at the expense of reduced product quality. Up until the last five or 10 years, very little attention was paid to increasing product quality. New developments in the way fertilisers are blended and used is pressuring producers into taking a more serious look at their product quality. This article examines the driving forces for better product quality and provides engineers with some ideas about how it can be achieved.