To create foodstuff-grade phosphoric acid, phosphate ore is initially reduced with coke in an electric arc furnace, to offer elemental phosphorus. This method is also known as the thermal approach or the electrical furnace procedure. Silica is usually included, leading to the production of calcium silicate slag. Decreased frequencies are https://phosphoric-acid-8564451.qowap.com/91713190/5-simple-techniques-for-oxalic-acid-99