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4A Molecular Sieve

4A Molecular Sieve

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Molecular sieve type 4a is an alkali aluminium silicate. This sodium form of Type- A Crystal Structure has an effective pore opening of about 4 angstroms. The type 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Gas molecules like oxygen, nitrogen, carbon dioxide and straight chain hydrocarbon can be adsorbed by 4a.

Sorbead India is the largest manufacturer of adsorbent and desiccant, serving various industries like PET industries, yarn Industries, pharmaceutical industries, dyes & pigment industries, steel industries and many others.

Molecular sieve 4a will be the ideal choice in drying of instrumental air drying, naphtha drying, aromatic drying process, hydrocarbons drying process, noble gas drying, natural gas drying and removing of Co2. Drying of liquefied petroleum gas and liquefied natural gas 4A will be the ideal synthetic zeolite.

4a molecule is working on the principle of surface adsorption, it offers a higher surface area for attaining higher adsorption capacity, higher crushing strength of molecular sieve 4a offers low attrition rate and longer working life, for methane adsorption 4a is the best suitable options.

Parameters Unit Target
Shape   Pellet Sphere
Diameter mm 1.5 3.3 1.6-2.6 2.0-5.0
Size ratio up to grade % ≥ 98 ≥ 98 ≥ 96 ≥ 96
Static H2O Adsorption % > 25 > 25 > 25 > 25
CO2 Adsorption NL/g > 14 > 14 > 14 > 14
Packed Moisture Content % < 1.5 < 1.5 < 1.5 < 1.5
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 ≥ 60 ≥ 70
H2O Adsorption % ≥ 20.5 ≥ 20.5 ≥ 20.5 ≥ 20.5
Methane Adsorption % ≥ 16 ≥ 16 ≥ 16 ≥ 16
Packed Moisture % ≤ 1.5 ≤ 1.5 ≤ 1.5 ≤ 1.5

 

  • Generation and purification of argon
  • Static dehydration of electronic element, pharmaceutical and unstable materials
  • Desiccant for paint, dope and foul etc.
  • Ammonia gas drying and purifying
  • Carbon dioxide remove from natural gas
  • Drying of aromatics
  • Drying of liquid hydrocarbons
  • Purification of gas for catalyst regeneration
  • Isomerization feed drying
  • Natural gas drying, removing CO2
  • Drying of Liquefied petroleum gas, liquefied natural gas
  • Removing CO2 from steam cracked gas
  • Treatment of acetic acid process gases
  • NH3 synthesis gas and recycle gas drying and purifying

 

Type 4a molecular sieve is typically used in regenerable drying systems to remove water vapor or contaminants which have a smaller critical diameter than four angstroms.