An innovative flake graphite upgrading process based on
06 07 2021· The process performance flowsheet based on the above grinding and flotation test results is shown in Fig 14 in which the raw graphite ore refers to the feed sample −3 mm in size from the cone crusher at Diyuan Mineral Processing Plant located in Hegang city Heilongjiang province and the HPGR reduced the particle size to 65% − mm