The basic industrial gases, such as oxygen, nitrogen and argon, are produced using cryogenic air separation. This technology of production was developed more then 100 years ago by Carl von Linde, the founder of “Linde”. During separation atmosphere air is compressed, purified from carbon dioxide, moisture and dust, than it is cooled to very low temperature (approximately -175ºC). Liquefied air is separated into oxygen, nitrogen, argon and other inert gases.
At the present time there are also used other methods of air separation:
- Separation: air is separated with the help of membrane.
Adsorption: air is passed through special materials, which absorb its separate components.