Product Information

3A Molecular Sieve

Product Name: 3A Molecular Sieve
Model: 3A
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Brief

NAIKE 3A Molecular Sieve is an alkali metal alumino-silicate; it is the potassium form of the type A crystal structure. Type 3A has an effective pore opening of about 3 angstroms (0.3nm).


3A Molecular Sieve  A detailed description of

3A MOLECULAR SIEVE


Brief introduction

NAIKE 3A Molecular Sieve is an alkali metal alumino-silicate; it is the potassium form of the type A crystal structure. Type 3A has an effective pore opening of about 3 angstroms (0.3nm). This is large enough to allow in moisture, but excludes molecules such as unsaturated hydrocarbons which can potentially form polymers; and this maximises lifetime when dehydrating such molecules.

Technical Parameter

Model 3A
Nominal Pore Diameter 3 angstroms
Shape Sphere(ball) Pellet
Diameter 1.7-2.5 3.0-5.0 1.6 3.2
Size ratio up to grade (%) ≥98 ≥98 ≥96 ≥96
Bulk density (g/ml) ≥0.72 ≥0.70 ≥0.65 ≥0.65
Wear ratio (%) ≤0.10 ≤0.10 ≤0.25 ≤0.25
Crushing strength (N) ≥30/piece ≥70/piece ≥45/piece ≥60/piece
Static H2O adsorption (%) ≤3.0 ≤3.0 ≤3.0 ≤3.0
Ethylene adsorption ≥21 ≥21 ≥21 ≥21
Water content (%) ≤1.0 ≤1.0 ≤1.0 ≤1.0
 
Typical Chemical Formula 0.45 K2O . 0.55 Na2O . Al2O3 . 2 SiO2 . 4.5H2O
SiO2 : Al2O3≈2


Typical Application


 
a) Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien)
b) Cracked Gas Drying
c) Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
e) Drying of liquid alcohol
f) Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
g) Drying of CNG.
 
Package: Carton box; Carton drum; Steel drum
MOQ: 1 Metric Ton
Payment Terms: T/T;L/C;Western Union

Warranty:
 
a) By National Standard GBT 10504-2008
b)Offer lifetime consultation on problemsoccurred
Container 20GP 40GP Sample order
Quantity 12MT 24MT <5kgs
Delivery Time 5 days 7days Stock available

Typical Application 

 Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien) 
 Cracked Gas Drying
 Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required. 
 Drying of highly polar compounds, such as methanol and ethanol
Drying of liquid alcohol
Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
 Drying of refrigerants
 

 Regeneration

NAIKE 3A molecular sieve can be regenerated by either heating in the case of thermal swing processes; or by lowering the pressure in the case of pressure swing processes. 
To remove moisture from a 3A molecular sieve, a temperature of 200-230°C is required. A properly regenerated molecular sieve can give moisture dew points below -100°C.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process.
 

Size 

3A Molecular sieve are available in beads of 1-2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh) , 2.5-5 mm, (4x8 mesh) and as powder, and in pellet 1.6”, 3.2”.
 

Attention

 To avoid damp and pre-adsorption of organic before running, or must to be reactivated.

MOLECULAR SIEVE'S FLOW CHART

TRANSPORT




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