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ABSTRACT
Rapid determination of the dissolution behavior of a compound fertilizer is difficult in agricultural industry. In this work, we describe a simple and rapid method for quantifying the disintegration properties of compound fertilizer for the indirect evaluation of their dissolution. The effects of screen mesh, disintegration time, temperature, fertilizer-water ratio, stacking mode and particle size on fertilizer disintegration test were studied. Under standardized conditions, the maximum and minimum relative standard deviation (RSD) were 12.7% and 0.9%, respectively. The mean deviations of the measured data were > 4%, standard deviations > 4.6%, and interquartile ranges > 6.7%. The feasibility, accuracy, error tolerance, and consistency of this lift disintegration method meet industrial requirements and can be utilized for the rapid determination of the solubility of compound fertilizers.
Acknowledgments
We are thankful for the financial support provided by the National Natural Science Foundation of China Project (No. 21978181 and No. 22178229). The authors acknowledge the support from the Center of Engineering Experimental Teaching, School of Chemical Engineering, Sichuan University, for SEM analysis, and the Institute of New Energy and Low-Carbon Technology, Sichuan University, for XRD analysis. Moreover, we would like to thank Jiuhe Co. Ltd for its support.
Disclosure statement
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Supplementary material
Supplemental data for this article can be accessed online at https://doi.org/10.1080/03650340.2023.2295359.