Lithium-based molecular sieve for oxygen production (PFK-O902)
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Lithium-based molecular sieve for oxygen production (PFK-O902)
Lithium-based molecular sieve for oxygen production is a lithium X-type silicoaluminate crystal, an internationally advanced oxygen-producing molecular sieve. Used in pressure swing adsorption (PSA) oxygen production equipment, it features high nitrogen adsorption capacity, high nitrogen/oxygen separation coefficient, low-pressure adsorption, vacuum desorption, and easy desorption. Its nitrogen adsorption capacity is 2-3 times greater than that of type A oxygen-producing molecular sieves, and its nitrogen/oxygen separation coefficient is twice that of type A oxygen-producing molecular sieves. Simultaneously, the lithium-based molecular sieve also has good wear resistance and a long service life, thus reducing energy consumption and equipment operating costs, improving economic efficiency, and serving as a better alternative to 5A (CaA) oxygen-producing molecular sieves.
Applications
√ Specifically for medical pressure swing adsorption air separation to produce enriched oxygen √ Air purification, dehydration, and CO₂ removal
Technical Indicators
Item
Unit
Specification
Appearance
Spherical (granular)
Particle size
mm
1.2~1.8 
1.6~2.36 Bulk density
kg/L
0.62~0.68
0.62~0.68
Compressive strength (point contact crushing strength)
N/piece
≥ 10
≥20
Abrasion rate
wt.%
≤0.3
≤0.3
Static nitrogen adsorption capacity*
ml/g
≥22.0
≥22.0
Nitrogen/oxygen separation coefficient (selectivity)
≥6.2
≥6.2
Static water adsorption capacity**
wt.%
≥30.0
≥30.0
Water content after product packaging
wt.%
≤ 1.0
≤ 1.0
* Equilibrium adsorption capacity at 0.1MPa (absolute pressure) and 25℃
** Equilibrium adsorption capacity of water under atmospheric pressure and 25℃ saturated sodium chloride steam
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Methanol cracking hydrogen production unit
Methanol cracking-pressure swing adsorption hydrogen production technology is a kind of methanol, water as raw materials, at a certain temperature and pressure by the catalyst into a mixed gas into a certain temperature and pressure by the catalyst cracking into a hydrogen-containing mixed gas, and then through the pressure swing adsorption purification of hydrogen technology.
Natural gas hydrogen production unit
The technology uses natural gas to undergo a chemical reaction with water vapor in a special reformer filled with a catalyst after pressurized desulfurization to generate a converted gas containing hydrogen, carbon dioxide and carbon monoxide. After part of the heat is recovered by the waste pot, CO in the converted gas is converted into H?, and the converted gas is purified by pressure swing adsorption (PSA) after cooling and condensing gas-liquid sharing.
Pressure swing adsorption hydrogen extraction device
After the mixed gas containing hydrogen (H₂) enters the adsorption tower of pressure swing adsorption (PSA) device, because the adsorption capacity of the adsorbent in the adsorption bed for each component in the gas mixture varies with the pressure change, the impurities in the feed gas are adsorbed during pressurization, and the components (hydrogen) that are not easily adsorbed are output as products from the outlet end of the adsorption bed. During decompression, the adsorbed impurities are desorbed and the adsorbent is regenerated at the same time, at least four adsorbent bed cycles are used to operate to achieve a continuous output of product hydrogen.
VPSA pressure swing adsorption oxygen plant
Multi-tower combined VPSA pressure swing adsorption oxygen production technology is a new process with low energy consumption, low noise and low maintenance cost. It has been accepted by the first set of devices in Zhejiang Province and is widely used in non-ferrous smelting, glass smelting, iron and steel smelting, chemical industry, paper making and other industries.
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