The Modeling and Optimization of Iron Removal from Silica
12/07/2021· Common impurities in quartz are hematite Fe 2 O 3 biotite K Fe Mg 3 AlSi 3 O 10 rutile TiO 2 titanite CaTiSiO 5 albite NaAlSi 3 O 8 and ilmenite FeTiO 3 Iron is one of the most important and troublesome impurities in silica sand and the presence of Fe 3 oxides leads to unwanted reddish and yellowish color changes on the quartz and damages its property greatly [9 10 11 12