ASU
Item name (product name)
Cryogenic Air Separation Unit
Purpose of use (purpose)
Equipment to manufacture industrial gas.
More information
The cryogenic air separation unit (ASU) produces industrial gas such as oxygen, nitrogen, and argon through cryogenic fractional distillation after cooling compressed and pre-purified raw air to near the liquefaction point.
Type of Gas |
Purity |
Gaseous Oxygen |
Over 99.6% |
Liquid Oxygen |
Over 99.6% |
Gaseous Nitrogen |
O2 £ 1 ppm |
Liquified Nitrogen |
O2 £ 1 ppm |
Liquified Argon |
O2 £ 1 ppm N2 £ 3 ppm |
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