3A molecular sieve
Key words:
Classification:
- Product Description
-
Chemical Molecular Formula
K₇₂Na₄₈[(AlO₂)₁₂(SiO₂)₁₂]·mH₂O
Uses
√ Primarily used for water adsorption
√ Desiccant used in the petroleum industry for deep drying, refining, and polymerization
Such as drying olefins, alkynes, polar liquids, cracked gas, liquefied petroleum gas, CO2, etc.
√ High crush strength, long service life
Technical Indicators
Item
Unit
Standard
Shape
Spherical (granular)
Pore Size
Å
3
3
Particle Size
mm
1.6~2.5
3.0~5.0
Bulk Density
kg/L
≥ 0.68
≥ 0.68
Compressive Strength (Point Contact Crushing Strength)
N/piece
≥ 25
≥70
Abrasion Rate
wt.%
≤0.2
≤0.2
Static Water Adsorption*
wt.%
≥ 21
≥ 21
Dynamic Water Adsorption
wt.%
≥15
≥15
Water content after product packaging
wt%
≤1.5
≤1.5
* Equilibrium adsorption at 75% relative humidity and 25℃
Storage: It should be stored in a dry room at 2～50℃ and relative humidity ≤ 90％RH, and avoid water, acids and alkalis.
Note: After the molecular sieve absorbs moisture, it can be reused after regeneration, and its effect remains unchanged. Regeneration conditions: The inlet temperature of the molecular sieve bed is maintained at 200 - 350°C, pressure 0.3 - 0.5kg/cm², and the outlet gas temperature is 150 - 180°C.
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