Pressure swing adsorption (PSA) is one kind of technology to separate some gas species from a mixture of gases with pressure according to the its characteristics.
The main material of the technology is called molecular seive(e.g., zeolites, activated carbon, molecular sieves, etc.)the air passes the material, the specified air element will be adsorbed under the pressure.
Technique principle
1. The compressed air is the material of PSA oxygen generator, but first the compressed air needs to be cleaned.
2. Due to adsorption characteristics of zeolite, nitrogen molecule is adsorbed by zeolite in the oxygen generator, and nitrogen will be ouput.
3. The whole unit has two absorption towers, one is for working when the other is regenerative, so it can be running in 24 hours.
Advantage
1. The oxygen generator has simple devices, only needs air compressors, only cooler, filters and tanks.
2. Molecular sieve is relialbe and the whole process of oxygen generator is physical, and no chemical, it is totally safe.
3. Small size and less space occupation.
Application of oxygen generator
1. Metallurgy industry
Electric arc furnace steelmaking, blast furnace oxygen-enriched, shaft furnace oxygen-enriched Combustion
2. Nonferrous Smelting industry
Lead, copper, zinc, aluminium smelting, furnace oxygen-enriched
3. Environmental protection industry
Drinking water treatment, wastewater treatment, pulp bleaching sewage biochemical treatment
4. The chemical industry
Various oxidation reactions of ozone production, coal gasification
5. Other industries
Fermentation, cutting, glass furnaces, air conditioning, waste incineration
6. Medical professions
Oxygen, oxygen therapy, sports health care
7. Aquaculture
Marine and freshwater aquaculture, fish farming
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