Ferrous Sulphate Monohydrate Introduction: Mainly used for water purification, photogravure and treatment of iron deficiency anemia. Ferrous sulfate can cause pollution of water bodies on the human respiratory system and digestive irritation, overdose can cause life-threatening. Application: 1, make pigments Such as Ferric Oxide series products (such as iron oxide red, Iron oxide black, Iron oxide yellow etc. ). 2, used as the flocculant for waste water treatment, for purification of water, and removal of phosphate from municipal and industrial wastewater to prevent eutrophication of water bodies. 3, can be used to produce iron sulfate, and ferrous sulfate monohydrate 4, used as fertilizer, herbicides and pesticides in agriculture 5, the industry for manufacturing iron, iron oxide pigments, mordant, water purifying agents, preservatives, disinfectants, etc.