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Image based mineral liberation simulation incorporating experimental grinding models

Partsinevelos Panagiotis, Makantasis Konstantinos, E Th. Stamboliadis

Πλήρης Εγγραφή

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Περίληψη

Breakage and liberation evolution of multigrain particles is a complex procedure upon which decision making can be based for the exploitation of minerals. Under this study, scanned image material samples are used to estimate mineral liberation. Image processing and computational simulations provide grain phase statistics, grade distributions and liberation attitude under varying sizes and distributions. Incorporating an experimentally based breakage model to the simulation, the time or energy of a grinding procedure is associated to liberation. Since image scanned samples lack the third dimension, an error estimation of approximating material volumes through two-dimensional measured areas is conducted. The findings verify the theoretical liberation models, while the proposed processes take into consideration the actual shapes and distributions of the particle grains as depicted from the image samples and thus establish a more reliable and realistic model.

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