Electrostatic Separation Equipment Mineral Technologies. Stateoftheart electrostatic separation equipment, ... centrifugal jig technology. electrostatic separation. magnetic separation. shaking tables, knudsen bowl. ... hard rock ilmenite and rutile, cassiterite, chromite, tantalite, wolframite and iron ore, the separator is supplied as either a 2 stage 4 roll or 3 stage 6 roll machine.