What is Monocalcium Phosphate E341(i) in Food: Vegan, Uses ...
Jan 13, 2020· In the wet process: phosphate rock is digested with a mineral acid, usually sulfuric acid, but nitric or hydrochloric acids may also be used. In the electrothermal process : the phosphate rock, coke and silica are heated in an electric resistance furnace to more than 1,100°C to extract elemental phosphorus from the ore.