PSA (Pressure Swing Adsorption)
Technology a revolution in Non Cryogenic Air Separation and
Oxygen Generation Technology uses special grade of ZMS (Zeolite
Molecular Sieve).
The compressed air is passed through a Twin Tower PSA module
interconnected with automatic changeover valves. After passing
through a Refrigerated Dryer air gets dried. Dried compressed
air will now come in contact with bed of Zeolite molecular
sieves (ZMS). Zeolite Molecular Sieves are special grade of
adsorbant which have the property of preferential adsorption of
nitrogen molecules. At a time one tower remains under nitrogen
production cycle, whereas the other tower undergoes regeneration
which is achieved through depressurization of the tower to
atmospheric pressure. The outgoing oxygen gas is sent to a surge
vessel where the minimum pressure will be maintained with the
help of Back pressure Regulator. |