First Announcement:Layout 1

This paper explores the performance measurement of heavy mineral gravity separators, focusing on the limitations of current methodologies that primarily assess grade and recovery of valuable heavy minerals. The objective is to introduce findings from Qemscan® particle mineral analysis (PMA) as an alternative approach. A detailed methodology is discussed, highlighting the significance of considering particle shape, size, and density alongside mineral content in evaluating separator performance. The results indicate that the Qemscan® PMA could overcome shortcomings inherent in traditional techniques by providing a more comprehensive understanding of the particle characteristics that affect separation efficiency. Moreover, the analysis demonstrated potential for higher resolution results, suggesting improvements in the accuracy of performance assessments of gravity separators. The integration of stereological corrections and a stronger statistical foundation for data interpretation is emphasized as essential for practical applications. Consequently, the research supports the notion that employing advanced particle analysis could lead to enhancements in both the design and efficiency of gravity separation processes.