Process Involved For Conversion Of Non Oxide Ore To Oxide Ore

Process involved for conversion of non oxide ore to oxide ore

graph TD; A[Non Oxide Ore] --> B[Roasting]; B --> C[Sulphide Ore]; C --> D[Heating in Excess Air]; D --> E[Oxide Ore]; B --> F[Carbonate Ore]; F --> G[Heating in Limited Air]; G --> E;