1. 2H2O2→O2+4H++4e-
2. 3F-→3F+3e-
3. Al+3+3e-→Al
4. 2H++2e+→H2
Al+3+3e-→Al
1. Wrought iron
2. Mild iron
3. Hard steel
4. Cast iron
Cast iron
1. Zone refining method
2. Electro refining
3. Liquation
4. Poling
Electro refining
1. Ag
2. Fe
3. Zn
4. Sn
Ag
1. Cu
2. Al
3. Mg
4. Na
Cu
1. CO2+C→2CO
2. Fe2O3+3CO→2Fe
3. C+O2→CO2
4. FeO+SiO2→FeSiO3
CO2+C→2CO
1. Smelting
2. Calcinations
3. Roasting
4. Liquation
Smelting
1. Liquation
2. Amalgamation
3. Leaching
4. Calcination
Leaching
1. Flux
2. Slag
3. Gangue
4. Refractory material
Gangue
1. Cu2S+little FeS
2. Cu2S+little Fe
3. Cu2O+little FeS
4. Cu2O+little FeO
Cu2S+little FeS