Wrought iron is the purest form of iron. Write a reaction used for the preparation of wrought iron from cast iron. How can the impurities of sulphur, silicon and phosphorus be removed from cast iron?
NEETprep Answer:
(a)
This reaction takes placein reverberatory furnace lined with haematite.
(b) The haematite oxidises ,, and . Sometimes limestone is added as flux. impurities of S, Si and P oxidise and pass into slag. The metal is removed and freed from slag by passing through rollers.
