Ferrous Sulphate heptahydrate

Ferrous sulphate hepta hydrate also known as Iron (II) Sulphate is a blue green crystal with the formula FeSO4.7H2O. Originally it was known as “green vitriol” or “copperas”. It is water soluble, acidic salt, produced during the manufacture of TiO2. It a cost efficient source of iron, we supply this secondary product to a variety of sectors, where it is put to good use in numerous chemical and industrial applications.

Ferrous sulfate heptahydrate can also be dried and oxidized to create other useful forms of iron.

When dried, copperas turns into ferrous sulfate thermal monohydrate. With a high concentration of iron (around 30%) this by-product can be used as a valuable supplement in animal feeds. In its oxidized form, ferrous sulfate heptahydrate is a liquid source of iron that can be used in water treatment, biogas treatment and mining processes.

 

FERROUS SULFATE HEPTA HYDRATE

Applications of Ferrous Sulphate heptahydrate

  • It is used as a lawn conditioner,and moss killer. See below for full details on application.
  • Industrially, ferrous sulfate is mainly used as a precursor to other iron compounds.
  • It is a reducing agent, mostly for the reduction of chromate in cement.
  • Used in the manufacture of inks including iron gall ink.
  • It is used a mordant for wool dyeing.
  • Ferrous sulphate can also be used to stain concrete and some limestones and sandstones a yellowish rust color.
  • Woodworkers use ferrous sulfate solutions to color maple wood a silvery hue.

In horticulture it is used for treating iron chlorosis (yellowing of folliage caused by iron deficiency). Although not as rapid-acting as iron chelate, its effects are longer-lasting. It can be mixed with compost and dug into to the soil to create a store which can last for years. Ferrous sulfate is sometimes added to the cooling water flowing through the brass tubes of a turbine condenser. It forms a corrosion-resistant, protective coating on the inside of the tube.

It has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.
It is used as a traditional method of treating wood panel on houses, either alone dissolved in water or as a component of water-based paint.


      

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