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Molecular sieves

  

Molecular Sieves

Molecular Sieves
  • Molecular Sieves
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Approx. Price: Rs 325 / KilogramGet Latest Price

Product Details:

Pack TypeBag
Grade Standard13 X
BrandAdvance
Pack Size25Kg

Molecular sieves are desiccants with differing properties to those of silica gel. With the appearance of small opaque pinkish beads, highly porous crystalline metal-alumino silicates. It is these diameters (measured in Ångstroms) that classify molecular sieves - 3A, 4A, 5A, and 10A (also known as 13X). Adsorption occurs only of molecules with smaller diameters than these cavity openings. Larger molecules will be excluded from adsorption.

 

Molecular sieves will adsorb water molecules and other contaminants from liquids and gases down to very low levels - often just 1 part per million.

 

Examples of the applications of the differing molecular sieve grades are :-


Grade 3A. Dries unsaturated gases and organic liquids (e.g methanol). Used to remove water from cleaning fluids in ultrasonic baths.


Grade 4A. Is a general dryer of liquids, natural gases. Also an excellent adsorber of carbon dioxide.


Grade 13X. Is used in air prepurification (due to its high water and carbon dioxide adsorption capacity) and also adsorbs sulphur compounds ('sweetens'). It will remove decomposition products following the quenching of arcing in electrical products.

 

Molecular sieves properties as desiccants differ from silica gel in a number of ways :-

 

  • They adsorb water vapour more rapidly than silica gel.
  • They will reduce water vapour to much lower levels than silica gel, making their use essential when a very dry product or atmosphere is required.
  • We can product the following molecular sieve products: 3A, 4A, 5A, and 13X molecular sieve.

 

Applications:-



Type 13X is used commercially for general gas drying, air plant feed purification (simultaneous removal of H20 and CO2) and liquid hydrocarbon and natural gas sweetening (H2S and mercapstan removal). All molecules which can be adsorbed on molecular sieves 3A, 4A and 5A can be adsorbed on Type 13X. In addition, Type 13X can adsorb molecules of larger critical diameters, such as aromatics and branched-chain hydrocarbons.

** Prices will vary according to product specifications.

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Activated Alumina

Activated Alumina
  • Activated Alumina
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Our organization is an eminent provider of Activated Alumina to our customers. It is processed from aluminum hydroxide. For this a process named as dehydroxylation has been used. Activated Alumina has excellent surface area to weight ratio. It finds application in catalyst applications, as a desiccant and also for purpose of Fluoride adsorbent. This product is completely verified by our team of quality inspectors before delivering in the market for sale. To add on we are providing this product at market leading rates to our customers.

 

Features:

 

  • Effectiveness
  • Safe usage
  • Free from side-effects


Activated Alumina is an aluminium oxide that is highly porous and exhibits tremendous surface area. It is resistant to thermal stock and abrasion and will not shrink, swell, soften nor disintegrate when immersed in water.


Surface area are in the range 345-415 . In many commercial applications zeolitic materials have now replaced it.


Technical Parameter

GRADE


(Air Drying Grade)

From

Beads

Size (mm or mic)

5-8 / 2-6

Bulk density (gm/lit)

0.75-0.85

Surface area (m2 / gm)

345-415

Pore Volume (cc/gm)

0.40-0.50

Adsorption Capacity (60 % RH)

21.5

Attrition Loss (%)

0.2

LOI (300C-1000C)

6-8

Al2O3 (By difference)

92 min


Applications :

  • Purification of gases and liquids (removal of metallic traces, TBC and HF compounds).

  • Drying of organic liquids such as LPG, propylene, butene, steam cracked liquids, cyclohexane, gasoline, aromatic solvents.

  • Drying of air and gases such as steam cracked gases, catalytic reforming recycle gas, synthesis gas, natural gas, CO2.

  • Drying of organic liquids as LPG, aromatics, steam cracked liquids, gasoline, chloro- and fluorocarbons.

  • Drying of hydrogen, oxygen, nitrogen, CO2, etc.

  • Purification of gases and liquids (removal of metallic traces, BF3, TBC, HCl, HF and fluorinated hydrocarbons).

  • Catalyst for Claus conversion in sub dew point processes.

  • Air drying

  • Instrument air, supersonic wind tunnel, compressed air



** Prices will vary according to product specifications.

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Promila Sharma (Marketing Coordinator)
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