An innovative flake graphite upgrading process based on ...
Jul 06, 2021· Table 1 shows that the ore sample contains 11.15% graphite whereas quartz, muscovite, calcite, and garnet are the main gangue minerals, accounting for 41.85%, 15.75%, 11.17%, and 8.24%, respectively. In addition, the ore contains small amounts of potassium feldspar, plagioclase, pyrite, sodium feldspar, and kaolinite. The remaining gangue minerals …