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Pressure swing adsorption oxygen production

Pressure swing adsorption oxygen production
Sep 02, 2022
Author: DEAR AST

Molecular sieves selectively adsorb oxygen and nitrogen components in the air to separate the air to obtain oxygen. When compressed air passes through the adsorption layer of the molecular sieve adsorption tower, nitrogen is preferentially adsorbed, and oxygen remains in the gas phase to become oxygen. When the nitrogen adsorbed on the molecular sieve reaches saturation, the nitrogen molecules adsorbed on the surface of the molecular sieve are removed by reducing pressure or vacuuming to restore the adsorption capacity of the molecular sieve. In order to continuously supply oxygen, the device is usually provided with two or more adsorption towers.

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