Sorting Mined Material
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Abstract
A method of sorting mined material for subsequent processing to recover valuable material, such as valuable metals, from the mined material is disclosed. The method includes a combination of selective breakage of mined material (for example, by using microwaves and/or high pressure grinding rolls), subsequent size separation, and then particle sorting of a coarse fraction of the separated material based on differential heating and thermal imaging.
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Citations
38 Claims
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1-18. -18. (canceled)
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19. A method of sorting mined material for subsequent processing to recover valuable material from the mined material, comprising:
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(a) breaking particles of mined material and separating the particles into at least a coarse fraction and a fines fraction on the basis of particle size; (b) subjecting the coarse fraction of the particles from step (a) to heating and subsequent thermal imaging analysis and identifying particles that contain valuable material; and (c) separating the coarse fraction into (i) particles that contain valuable material on the basis of thermal imaging analysis, and (ii) particles that are relatively barren with respect to the valuable material. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification