Kyanite and Sillimanite Beneficiation Process
Kyanite and Sillimanite Production Problems The number of commercial deposits is limited and occurrence in schists with iron oxide necessitates concentration to remove iron oxide and excessive silica. Some of the ores have sulphides present, such as pyrite, which must be removed ahead of the kyanite flotation section. Generally, acid circuits are necessary in kyanite flotation. … Read more