EXTRACTION OF TITANIUM DIOXIDE (TiO2) FROM THE IRON SAND OF MANDIRI BEACH, WEST COAST AS NANOPARTICLES USING THE PYROMETALLURGICAL METHOD

Iron sand in Indonesia is spread on various beaches, one of which is Mandiri Beach located on the West Coast using the random sampling method. Iron sand preparation is carried out by magnetic separation using rod magnets to separate iron sand from impurities. Pantai Mandiri iron sand contains several dominant elements, namely Fe, Si, Ti, Al, Ca, K, and Mn. TiO2 extraction from iron sand is carried out using the pyrometallurgical method with roasting temperature variations of 600, 700, and 800 °C. The extracted sample was characterized using XRF and showed that the TiO2 content in the sample increased with an increase in roasting temperature of 6.970; 8.436; and 8.659%. The extracted sample with a roasting temperature of 800 °C was characterized using XRD and showed that the TiO2 obtained had an anatase phase with a tetragonal crystal structure with a = b = 3.7840 Ã… and c = 9.5150 Ã…, had an angular value of α = β = γ = 90 °, and had a nanoparticle size of 55.16 nm.