Experimental study on the mineral processing of a fluorite ore from Xinjiang

A fluorite ore from Xinjiang has a large range of disseminated gain size, and the main gangue mineral is calcite，which is difficult to separate from the fluorite ore for mutual inclusion.In the view of the ore properties, experiments of mineral processing were studied.Experiments show that aluminum sulfate and water glass as regulators are beneficial for improving the recovery and grade of concentrate; gum as an inhibitor can effectively inhibit the calcite in the ore; two grinding can significantly improve the quality of concentrate.The experiment adopted the process of two-stage grinding (rough concentrate regrinding) one roughing two scavenging nine cleaning, aluminum sulfate and water glass as regulators, glue as inhibitor, oleic acid as collector, and the fluorite concentrate which CaF₂ content was 97.23% and recovery was 67.27% was obtained.The CaCO₃ grade in fluorite concentrate decreased to 1.65%.