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raw mill working principle coal russian in indonesia

2.1. Raw Material Pretreatment and Its Physicochemical Properties The crude laterite nickel ore used in the study was from Philippines, which was by jaw crusher, then crushed grinded to 0.125 mm with a ball mill and put in the oven to reserve after dried at 110C. The chemical compo-sition was shown in Table 1. The Ni content was just 0 ...

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