Question

Write the different stages involved in metallurgy.

Answer 1

Different stages involved in metallurgy are:

a. The concentration of the ore, methods are :

• Levigation / hydraulic washing
• Froth Floatation
• Magnetic separation
• Leaching

b. Extraction of metal from the concentrated ore has 2 stages:

• Conversion of ore into its oxide. The different methods are Calcination, Roasting, etc.
• Reduction of oxidized ore using a suitable reducing agent.

c. Refining of metals, methods are :

• Liquation
• Distillation
• Electrolytic refining