Air gases separation [ Return towards Engineering & Construction ]
From small standard and automated units to the world’s largest Mega ASUs, Air Liquide Engineering & Construction Cryogenics is the world leader in the manufacture of Air Separation Units (ASUs). With 100 years of experience in supporting the company’s core businesses, our expertise enables us to offer best-in-class plants and maintain the Group’s market leadership and technological independence.
In the last 40 years, Engineering & Construction Cryogenics has delivered more than 235 ASUs to the Group and external customers.
Standard plants
Standard Plants are standard, cost efficient units that come in fully packaged modules and yield an array of benefits: compact design and layout, minimal delivery and installation times, and simpler operations and maintenance.
| Hydrogen | HyOs-R generators | From 53 to 263 Nm3/h |
|---|---|---|
| Nitrogen | APSA-L generators | From 500 to 12 000 Nm3/h |
| Oxygen | VSA units | From 5 to 120 metric tpd |
| SIGMA units | From 110 to 330 metric tpd | |
| Yang O2 units | From 330 to 770 metric tpd |
Tailor-made cryogenic units
Air Separation Units, by cryogenic rectification, can produce oxygen, nitrogen, argon, rare gases. Tailor-made plants are designed for the specific requirements of each customer, depending on the market and the related application. Oxygen production capacities can vary from around 100 TPD to over 2500 TPD.
Mega ASUs
Cryogenic rectification is the only technology available for producing large volumes of oxygen (and/or nitrogen). This technology, known for more than 100 years, continues to improve as markets grow: Coal transformation into chemical products or into energy (CTC, CTL...), and CO2 Capture and Storage. Oxygen production capacities can vary from around 2 500 TPD to over 40 000 TPD.
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