Finer particles have a greater specific surface area, which can enhance the rate of chemical leaching. However, excessive fragmentation may liberate clay minerals, potentially causing permeability reduction and interfering with solution flow and chemical reactions during leaching. Is there a well-established equation that quantitatively relates dump leaching rate or efficiency to the particle size distribution (PSD) of the Run-of-Mine (ROM) material?
Dear E. F. Salmi, the question that you expose is complex and interesting but within my experience the technique more versatile and adequate to help you to evaluating the possible correlations existing could be laser diffraction (LD) methods due to the broad of particle size evaluates, from 20 nm to 2 mm usually. Your task is out of my main expertise line but the particle size measurement is some important for the direct analysis of solids samples by Total-reflection X-Ray Fluorescence (TXRF). So, in this sense my experience is related with the DSA evaluation by LD in solids suspension.
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