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|Water Adsorption:||≥21.0%||Ethylene Adsorption:||≤3.0mg/g|
zeolite 3a molecular sieve,
3 angstrom molecular sieves
3a Molecular Sieve Desiccant Zeolite Ethanol Drying
3A Molecular Sieve, 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.
It has the advantages of faster adsorption speed, more regeneration times, higher crushing strength, stronger anti-pollution ability, greater utilization efficiency and longer service life.
|Molecular Sieve 3A Typical Physical Properties|
|Item||Unit||8*12 Mesh||4*6 Mesh|
|Bulk Density||g/ml ≥||0.70-0.82||0.65-0.80|
|Equilibrium Water Capacity @ 25℃||wt% ≥||19.0-21.0||19.0-21.0|
|Equilibrium Ethylene Capacity||mg/g≤||3.0||3.0|
|Heat of Adsorption||BTU/lb of H2O||1800||1800|
|Crush Strength||Point Contact||N ≥||20-58||80-130|
|Attrition Rate||wt% ≤||0.1||0.1|
|Size Qualification||% ≥||98||98|
|Package Moisture||wt% ≤||1.5||1.5|
|The interval value of the indexes above are on the basis of the different grade of Molecular Sieve 3A|
a) Be mainly used for the drying of petroleum cracking gas such as ethylene, propylene, butadiene and others.
b) Drying of highly polar compounds, such as methanol and ethanol.
c) Drying of air.
d) Drying of natural gas and methane gas.
The molecular sieve shall be stored at room temperature, in which the relative humidity does not exceed 90%, and be not exposed to air, and prevented against water, acids and alkalizes.
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