Beneficiation of mineral ores using tribo-electrostatic separator

ST Equipment & Technology (STET) has developed a tribo-electrostatic belt separator for mineral ore beneficiation, eliminating the need for water or chemical additives. This technology has been successfully scaled for diverse industrial applications, including the removal of unburnt carbon from fly ash, separation of silicates from calcite, magnesite from talc, and silicates from barite. STET's electrostatic separation technology offers an efficient and environmentally sustainable alternative to conventional minerals processing methods. The paper presents pilot-scale test results highlighting the technology's effectiveness in upgrading ultrafine iron ore, which is typically discarded as tailings, as well as a coarser air-classified iron ore sample.