Abstract: In order to provide a technical basis for the utilization of a certain rutile ore in Shandong, experimental study on its flotation was carried out. The results showed that under grinding fineness of -0.043 mm 65%, using sodium carbonate, lead nitrate, sodium hexametaphosphate as regulators, self-formulated modified fatty acid as collector, rutile concentrate with TiO2 grade of 72.52% and TiO2 recovery of 87.22% was obtained through the process of one-roughing, three-cleaning, and three- scavenging, which realized effective recovery of rutile.

Key words: Rutile, Flotation, Modified fatty acid, Sodium hexametaphosphate