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O2 PSA Gas Generator

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WON Hi Tech Corp.
[Korea]

Address
#22, Ansantecom-gil, Sangrok-gu, Ansan-si, Gyeonggi-do
Phone
82-31-4192601
Contact name
Myung Goo Lee

Quick Information

  • Place of Origin: Korea

Description

Features of O2 PSA

  • Compact product with simple structure ensured by the optimum design
  • Fully automated and unattended operation by electronic control
  • The products can be custom designed according to the user requirements about oxygen purity, production rate or delivery gas pressure, etc.
    (1-200NM3/Hr, 90-95% O2)
  • The absorbent for gas separation can be used semi-permanently.

Pressure Swing Adsorption(PSA) Technology

The air we breathe consists of 78% nitrogen, 21% oxygen, 1% argon and other gases.
PSA is the technology to separate a certain gas from the air using the difference in adsorption of each gas by the crystal called molecular sieve.
The diagram shows the differences of Zeolite molecular sieve adsorbing the gases. As the air passes through a column (bed) filled packed with the molecular sieve, different layers are formed as the gases in the air are adsorbed differently according to the relative affinity.

This process can last until the layers of the gas molecules will fill the end of the molecular sieve bed. The efficiency of the process is higher at high pressure, low temperature or high concentration of the supplied gas.

In other words, when the compressed air passes through this layer, the nitrogen molecules are adsorbed while they are desorbed under the low pressure. The PSA system consists of a tank (bed) filled with two molecular sieves. When the compressed air is charged to the first tank, the nitrogen
molecules are adsorbed while the oxygen and other gases like argon pass through to the storage tank.

When the first bed is completely saturated with the adsorbed nitrogen, the compressed air is transferred to the second bed to continue the nitrogen adsorption while the pressure of the nitrogen adsorbed in the first bed is lowered so that they will be released to the atmosphere. To recycle the molecular sieve in the first bed, the bed must be purged with the high purity oxygen generated in the second bed. Such repetition of adsorption and desorption of the gases can go on without the molecular sieve being worn or plugged as long as the appropriate interval of adsorption and desorption process is set.

Features of O2 PSA

  • Compact product with simple structure ensured by the optimum design
  • Fully automated and unattended operation by electronic control
  • The products can be custom designed according to the user requirements about oxygen purity, production rate or delivery gas pressure, etc. (1-200NM3/Hr, 90-95% O2).
  • The absorbent for gas separation can be used semi-permanently.

Application of Oxygen Generators

  • Wastewater or water treatment
  • Feed gas for ozone production
  • Heat treatment or chemical oxidation process
  • Glass industry, pulp and paper industry or battery industry
  • Fish farm / environment improvement
  • Cutting / small steel mill / welding process
  • Medical use

Typical System Configuration

Oxygen Generator Specification

Model
Oxygen Production
Air Requirement
Nm3/Hr 90% O2
NM3/Min 7Kg/cm2
WHO-01A
1
0.31
WHO-03A
3
0.63
WHO-05A
5
1.05
WHO-07A
7
1.47
WHO-09A
9
1.68
WHO-11A
11
2.01
WHO-13A
13
2.36
WHO-17A
17
3.1
WHO-20A
20
3.63
WHO-25A
25
4.6
WHO-30A
30
5.25
WHO-40A
40
7.36
WHO-55A
55
9.9
WHO-65A
65
13.14
WHO-80A
80
14.89
WHO-90A
90
16.82
WHO-100A
100
18.76
WHO-110A
110
20.64
WHO-120A
120
22.52
WHO-130A
130
24.27
* Electrical components and connections meet CE standards.
* All pressure vessels are designed to meet ASME code(Section VIII, Div. 1)

Upon request, the following systems can be delivered

  • WH Series Oxygen Generator with Built-in Air Compressor
  • High Purity (99%+) System
  • Cylinder Filling System


Product Image

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