Molecular Sieves 3A for Liquid Drying

Molecular Sieves 3A for Liquid Drying
1) High water absorbility
2) Pollution resistance
3) Low dust
4) High quality
Molecular Sieves 3A for Liquid Drying

Molecular Sieve(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.

Item
Unit
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
≥0.68
≥0.68
≥0.68
≥0.68
Wear ratio
%
≤0.20
≤0.25
≤0.10
≤0.10
Crushing strength
N
45/cm
50/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

Application
1) Drying of unsaturated hydrocarbons (e.g. ethylene,propylene,butadiene)
2) Cracked Gas Drying
3) Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbon 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

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