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Pingxiang Global Chemical Packing Co., Ltd.
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Molecular Sieve 3A

Molecular Sieve 3A

Packaging Details : 25kg-30kg/CNT, inside airtight
Payment Terms : L/C, T/T
Place of Origin : PINGXIANG, JIANGXI, CHINA
Trade Terms : FOB
Production Capacity : 4000MT/YEAR
Model Number : 4A
Brand Name : Global
Desiccant : Chemical Desiccant
Shape : Sphere
Min. order : 1 Tons
Sorbent : Molecular Sieves
Main Markets : Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia
HS Code : 28421000
Category : Molecular Sieves
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Pingxiang Global Molecular Sieve type 3A 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.
FORMULA
0.45 K2O. 0.55 Na2O. Al2O3.2 SiO2.4.5H2O
SiO2: Al2O3 =2
TYPICAL APPLICATION
1)Drying of unsaturated hydrocarbons (e. G. Ethylene, propylene, butadien)
2)Cracked Gas Drying
3)Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
4)Drying of highly polar compounds, such as methanol and ethanol
5)Drying of liquid alcohol
6)Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
7)Drying of refrigerants
REGENERATION
Global molecular sieve Type 3A 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 200-230C is required. A properly regenerated molecular sieve can give moisture dew points below -100C.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process.
SIZE
3A - Zeolites 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 1.6mm, 3.2mm.
ATTENTION
To avoid damp and pre-adsorption of organic before running, or must to be reactivated.&
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ItemUnit
 
Technical data
 

Shape
 

 
 
Pellet
 
Sphere
 

Diameter
 

mm
 

1.5-1.7
 

3.0-3.3
 

1.7-2.5
 

3.0-5.0
 

Size ratio up to grade
 

%
 

‰¥ 98
 

‰¥ 98
 

‰¥ 96
 

‰¥ 96
 

Bulk density
 

g/ml
 

‰¥ 0.64
 

‰¥ 0.64
 

‰¥ 0.68
 

‰¥ 0.68
 

Wear ratio
 

%
 

‰¤ 0.20
 

‰¤ 0.25
 

‰¤ 0.10
 

‰¤ 0.10
 

Crushing strength
 

N
 

‰¥ 45/cm
 

‰¥ 60/cm
 

‰¥ 30/piece
 

‰¥ 70/piece
 

Static water adsorption
 

%
 

‰¥ 20
 

‰¥ 20
 

‰¥ 20
 

‰¥ 20
 

Ethylene adsorption
 

%
 

‰¤ 3.0
 

‰¤ 3.0
 

‰¤ 3.0
 

‰¤ 3.0
 

Water content, as shipped
 

%
 

‰¤ 1.5
 

‰¤ 1.5
 

‰¤ 1.5
 

‰¤ 1.5
 
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