Air separation
concept · 1902 · Electric age
Producing oxygen and nitrogen by liquefaction (Linde).
Principles and materials it uses
- Cryogenics — uses. Liquefaction.
- Fractional distillation — uses. Rectification of liquid air.
Where it is used
- Oxygen — is used in. Industrial oxygen.
- Steel works — is used in. The basic oxygen process uses industrial oxygen.