Ferrous sulfate

When used as a nutritional supplement, it is added at 120-240mg/kg in cereals and their products, 50-100mg/kg in beverages, 960mg/kg in high-speed iron cereals and their products, 300-500mg/kg in dairy products and infant food. Add 3000-6000mg/kg in salt and sandwich sugar and 11-12mg/kg(calculated by iron) in cocoa powder and other nutritious solid drinks.

When used as a flocculant, it is mainly used for beverage water treatment and beer processing technology.