The Relationship between Cake Strength of Potash Fertilizer and Initial Moisture Content, Particle Size, and Drying Time

Abstract

In this study, a new correlation for the cake strength of potash as a function of initial moisture content, particle size, and drying time is developed. The correlation is based on the experimental data collected by Wang et al. (2006) and Gillies et al. (2006). For initial moisture content ranging from 0.25% to 6% (w/w), particle size ranging from 0.85 to 3.35 mm, and drying time constant ranging from 7 to 1900 min, the correlation shows that strength is linearly related to the product of the initial moisture content, X i , the inverse square of mean particle diameter, d pm , and , where t c is the drying time constant.