Abstract: SLon-4000 separator is the largest pulsating high gradient magnetic separator newly developed by SLon Magnetic Separator Co.，Ltd.,with advantages as large throughput，stable performance，easy operation and maintenance，low consumption and small occupation etc..In order to solve the low recovery of coarse titanium concentrate (only about 10%) with spiral chute in titanium recovery from tailings of Pangang dressing plant，industrial tests are made by SLon-4000 magnetic separator instead of the spiral chute.The results indicated that for feeds with the TiO₂ grade of 6.20%，coarse titanium concentrate with TiO₂ grade of 13.22% and TiO₂ recovery of 61.88% was obtained.TiO₂ recovery is increased by 50% or more comparing with the spiral chute.Product analysis results show that SLon-4000 magnetic separator realizes the Ti recovery of up to 59.51% at -400 mesh.

Key words: SLon-4000 high gradient magnetic separator, Re-concentration of Ilmenite tailings, Industrial test, TiO2 recover