Kyanite

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┬áremoved ahead of the kyanite flotation section. Generally, acid circuits are necessary in kyanite flotation. … Read more

Nonmetallic Minerals Process Method

The following paper deals with the problems that have arisen in the application of the flotation process to the beneficiation of non-metallic ores by flotation. The most important of these ores are listed and the commercial specifications of the desired products are given. The problems caused by the complexity of many of the raw ore … Read more