Cryogenic Air Separation Plant Liquid Oxygen Nitrogen

About the Oxygen Separation Plant：the cryogenic method is to compress and cool the air first, and liquefy the air, using the difference in the boiling points of the oxygen and nitrogen components (the boiling point of oxygen is 90 K at atmospheric pressure, and the boiling point of nitrogen is 77 K), and the liquid is placed on the rectification tray. Make gas and liquid contact, carry out mass and heat exchange, the oxygen component with high boiling point is continuously condensed from the steam into liquid, and the nitrogen component with low boiling point is continuously transferred into the steam, so that the nitrogen content in the rising steam is continuously increased , and the amount of oxygen in the downstream liquid is getting higher and higher, so that oxygen and nitrogen are separated, which is air distillation. This method, whether it is air liquefaction or rectification, is carried out at a temperature below 120 K, also known as cryogenic air separation.

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