Why Mineral Processing is Very Important for the Mining ...
But you can minimize the grinding power by removing the maximum possible amount of gangue at a coarse size. For instance, some lead ore can be upgraded by gravity separation at a size of about 1 mm. After that, only the smaller bulk preconcentrate is ground to 100 microns for Froth flotation. 4. Reducing transport costs . The more you upgrade your ore, the fewer transport .