Penggunaan Metode Acid Leaching Untuk Pemurnian Pasir Silika Dari Daerah Mapu…

ABSTRACT Silica sand is a material that is commonly found in Indonesia. However, the silica sand found is not in a pure state, so it needs to be refined. One method for purifying silica from its impurities is the acid leaching method. Acid leaching or liquid solid extraction method is a contact between the solid phase and the liquid phase (acid) where the solute diffuses from the solid pha…