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Lithium Molecular Sieve
Lithium molecular sieve is high-performance lithium exchanged low silica form of the X-type zeolite with exceptional nitrogen capacity to provide optimal performance in the separation of oxygen from the air in medical oxygen concentrators. The molecular sieve material is developed and designed for the production of up to 95% oxygen-rich airstreams in medical oxygen concentrators with air flows up to 10 liters per minute. There are three mechanisms of adsorption separation: steric hindrance effect, kinetic effect, and equilibrium effect.
Naike Chemical is a professional zeolite molecular sieve manufacturer for oxygen generator, providing various molecular sieve for sale. There are mainly four types of lithium based molecular sieve for oxygen concentrator: NKOX-100, NKOX-101, NKOX-102 and NKOX-103. The parameters of lithium molecular sieve are as follows:
|The test items||unit||LiX||Note|
|Static Nitrogen adsorption||ml/g||≥25||≥28||≥28||≥26||1bar, 25°C|
|Nitrogen/Oxygen separation coefficient||~||≥6.2||≥6.2||≥6.2||≥6.3||1bar, 25°C|
|Crushing Strength||N||≥17||~||≥8||≥16||The average|
|Particle Size||%wt||≥98||≥95||≥98||≥98||550°C,1 Hour|
|Coefficient of variation||≤0.4||≤0.4||≤0.4||≤0.4|
|Residual Water||%wt||≤0.2||≤0.15||≤0.15||≤0.13||575°C,1 Hour|
Lithium molecular sieves can be used in the chemical industry and healthcare industries. In order to meet the current high requirements of oxygen therapy and reduce disadvantages, a zeolite molecular sieve is used in clinics as a new type of medical oxygen chip. Generally speaking, medical molecular sieve oxygen production equipment uses air as raw material, while zeolite molecular sieve (ZMS) is used as an adsorbent to produce oxygen by pressure swing adsorption (PSA). The oxygen concentration is usually 93 ±3%.
At present, there are mainly two kinds of zeolite molecular sieves used in oxygen concentrators in the market: sodium type and lithium type. Naike molecular sieve company can provide professional PSA Zeolite for oxygen concentrators. Lithium zeolite molecular sieve is more efficient than sodium zeolite molecular sieve, which can greatly reduce the volume of the oxygen generator and make the oxygen concentrator smaller and easier to carry.
3A: Drying petroleum cracking gas and olefins.
4A: Natural gas drying and alkane separation.
5A: Drying and purification of air, dehydration and desulfurization of natural gas, desulfurization of liquefied petroleum gas and pressure swing adsorption oxygen production and hydrogen production.
5A-DW: Dewaxing,pour point depression and paraffin separation of aviation kerosene and diesel oil.
10X: Efficient adsorbent for drying of gases and liquids, desulfuration,decarbonation and separation of aromatic.
Molecular sieves 13X: Drying, Desulfurization and purification LPG and Natural Gas.
Molecular sieves 13X-AS: Decarbonization and drying of air separation.
Lithium-based molecular sieve is a synthetic zeolite of lithium-type crystal structure, large Nitrogen adsorption capacity, high efficiency of oxygen/nitrogen separation.
Thus, gives a facility to use this system in future operations as well.
Lithium-based molecular sieve shows high N2/O2 separation under a very low pressure, which lowers the consumption of producing oxygen.
The advantage of the equilibrium adsorption capacity and lithium molecular sieve is applied to various VPSA device for oxygen concentrator.
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