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5A Molecular Sieve

5A Molecular Sieve

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Molecular sieves are working on the principle of adsorption that is the process of attraction of molecules from a stream of gas or liquid to an exposed surface area of molecular sieve. The adsorption process of molecular sieve involves chemisorption and capillary condensation. Molecular sieve 5a is a calcium form of alkali alumina silicate with having an effective pore diameter of 5A°. It will adsorb all the molecule having a kinetic diameter of less than 5 angstrom and will exclude higher than that. A molecule which will be adsorbed by 3a and 4a will also be adsorbed by 5a. It will be the most suitable zeolite for PSA adsorption technology. It offers tremendously effective adsorbent with contact surface and large porosity.

5a molecular sieve will contribute larger surface area for better adsorption efficacy with required bulk density and appropriate crushing strength for lowering the dusting in systems.

Parameters Unit Target
Shape   Pellet Sphere
Diameter mm 1.5 3.3 2.0-4.0 3.0-5.0
Size ratio up to grade % ≥ 98 ≥ 98 ≥ 96 ≥ 96
Bulk Density g/ml ≥ 0.60 ≥ 0.60 ≥ 0.60 ≥ 0.60
Wear ratio % ≤ 0.20 ≤ 0.25 ≤ 0.20 ≤ 0.20
Crushing Strength N ≥ 30 ≥ 45 ≥ 30 ≥ 60
H2O Adsorption % ≥ 21.5 ≥ 21.5 ≥ 21.5 ≥ 21.5
N-hexane Adsorption % ≥ 14 ≥ 14 ≥ 14 ≥ 14
Packing water % ≤ 1.5 ≤ 1.5 ≤ 1.5 ≤ 1.5

 

  • Separation of normal and isomeric hydrocarbons.
  • Natural gas drying, removing Co2 and sweetening.
  • Liquefied petroleum gas sweetening.
  • Removing Co2 from steam cracked gas.
  • Separation of aromatics.
  • Hydrogen purification.
  • Purification of air, inert gases.
  • Solvent drying.
  • N Hexane adsorption.
  • Oxygen and nitrogen gas removal process

 

Molecular sieve type 5a separate normal paraffin from branched-chain and cyclic hydrocarbons through a selective adsorption process.