high works oxygen

Steps For 93~99%  Pure Oxygen Generation From Atmospheric Air

  1. Air Compression
  2. Air Filteration
  3. Air Drying
  4.  Air Buffer Tank
  5. Trace Oil Particle Filter
  6.  Air Buffer for pneumatic valve
  7. A) First Absorbing Tower A B) First Absorbing Tower B
  8.  Flue Gas Vent Silencer
  9. Oxygen Surge/Buffer tank
  10.  Booster Compressor
  11. A) Second Absorbing Tower A B) Second Absorbing Tower B
  12.  Flue Gas Vent Silencer
  13.  High Purity Oxygen Surge/Buffer Tank
  14.  High Purity Oxygen Storage Tank

OUR PLANT FEATURES

SAFETY
RELIABILITY
RETURN ON INVESTMENT
EASE OF OPERATION
INSTALLATION TIME

 How High Purity Oxygen Pressure Swing Absorption Generators work

Air contains 21% Oxygen, 78% Nitrogen, 0.9% Argon and 0.1% other trace gases. Hi-Tech Oxygen generation systems separate this oxygen from Compressed Air through a unique process called Pressure Swing Adsorption (PSA)
The Pressure Swing Adsorption process for the generation of enriched oxygen gas from ambient air utilises the ability of a synthetic Zeolite Molecular Sieve to absorb mainly nitrogen. While nitrogen concentrates in the pore system of the Zeolite, Oxygen Gas is produced as a product.

This process is based on the fact that different gases have the propensity to be attracted to different solid surfaces more or less strongly. This happens with the nitrogen, which is attracted to the zeolites. As the air is compressed, the nitrogen is forced into the crystalline cages of the zeolite, and the oxygen and nitrogen is less adsorbed and conveyed to the end of the zeolite bed and ultimately recovered in the oxygen buffer tank. Two zeolite beds are used together: One filters air under pressure until it gets saturated with nitrogen while oxygen passes through. The second filter begins to do the same while the first one is regenerated as nitrogen is expulsed (desorbed) by releasing the pressure. The process begins again, storing the oxygen and argon in a tank. The argon could be separated afterwards increasing the amount of oxygen up to 99%. Using a carbon mollecular sieve (CMS) based adsorbent, which absorbs the oxygen, allowing the impurities to be scrubbed. The maximum purity achievable in such systems is 99.3%. Typically the system is operated at a design point of 99.1% to optimize the output. In such a system there is about a 35% loss in the 94% feed product gas. This loss of product is sensitive to the purity level that is lower purity, less product loss. The whole process is intelligently controlled with help of automated valves and Siemens Make Pre-Programmed PLC.

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