Air Seoaration Unit Molecular Sieve

13X molecular sieve for air separation is through the improvement and optimization of the original powder, binder formulation, molding process, etc..And through secondary crystallization, the kaolin binder is converted into molecular sieve, which improves the unit adsorption capacity and strength of the product. It has the advantages of large adsorption capacity, high compressive strength, long service life, and low energy consumption for regeneration.

Chemical formula: Na2O*Al2O3*(2.8±0.2)SiO2*(6-7)H2O

Si-Al ratio: SiO2/Al2O3≈2.6-3.0

Effective aperture: about 9

Air seoaration unit molecular sieve is a special molecular sieve produced to meet the special requirements of low temperature air separation industry. It further improves the adsorption capacity of molecular sieve for carbon dioxide and water.It avoids the phenomenon of freezing tower in the process of air separation. 13X molecular sieve for air separation is suitable for various sizes of deep air separation units.

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Feature

Air seoaration unit molecular sieve is based on the principle of psa, using high-quality carbon molecular sieve as adsorbent, under a certain pressure, from the air to produce nitrogen.

The 13X zeolite is purified and dried by compressed air. It is adsorbed under pressure and desorbed under pressure in the adsorber.Due to the aerodynamic effect of it, the diffusion rate of oxygen in the carbon molecular sieve micropores is much higher than that of nitrogen. Oxygen is preferentially adsorbed by the carbon molecular sieve, and nitrogen is enriched in the gas phase to form the finished nitrogen.After decompression to atmospheric pressure, the adsorbent desorption adsorption of oxygen and other impurities, to achieve regeneration.Generally, two adsorption towers are set in the system, one tower adsorbs nitrogen production, and the other tower desorbs regeneration. The opening and closing of pneumatic valves are controlled by PLC program controller to make the two towers circulate alternately, so as to achieve the purpose of continuous production of high-quality nitrogen.The whole system consists of the following components: compressed air purification module, air storage tank, oxygen and nitrogen separation unit, nitrogen buffer tank.

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