XL-13X molecular sieve
Key words:
XL-13X molecular sieve
Classification:
Product Description
XL-13X molecular sieve is an alkali metal aluminosilicate. Its crystal has a sodium X-type structure. XL-13X molecular sieve can adsorb molecules with a critical diameter of 9Å.
use
● Drying and desulfurization of natural gas, liquefied petroleum gas and liquid hydrocarbons (hydrogen sulfide and mercaptans).
● Drying of gas.
● Purify the raw air in the air separation cryogenic device, and simultaneously adsorb and remove moisture, carbon dioxide and acetylene.
● All molecules that can be adsorbed on 3A, 4A and 5A molecular sieves can be adsorbed on 13X type molecular sieves.
Technical indicators
|
project |
unit |
Indicators |
|
|
chemical composition |
|
Na2O.Al2O3.(2.5~3.0)SiO2.(6~7)H2O |
|
|
shape |
|
Spherical (granular) |
|
|
particle size |
mm |
⑦1.6~2.5 |
⑦3.0~5.0 |
|
bulk density |
kg/L |
0.66±0.02 |
0.64±0.02 |
|
Compressive strength (point contact crushing force) |
N/pieces |
≥30 |
≥85 |
|
wear rate |
wt% |
≤0.1 |
≤0.1 |
|
Static carbon dioxide* |
wt% |
≥18.5 |
≥18.5 |
|
Static water adsorption capacity** |
wt% |
≥26.0 |
≥26.0 |
|
Product moisture content after packaging |
wt% |
≤1.5 |
≤1.5 |
* Equilibrium adsorption capacity of 250mmHg at room temperature 25℃.
** Equilibrium adsorption capacity of moisture at atmospheric pressure and saturated sodium chloride water vapor at 25°C.
Loading conditions
When filling the adsorbent into the adsorbent, ensure that it is carried out in a dry air environment. Normally, the relative humidity of the air when filling the adsorbent is not greater than 60%.
When using an air-powered adsorbent loader, the air must be dried and the air dew point should not be higher than -30°C.
Working and regeneration conditions
The working conditions of the adsorbent depend on the application of the adsorbent.
Normally, when the pressure and working temperature are increased, the adsorption capacity of the adsorbent for impurities increases; conversely, when the pressure is lowered and the temperature is raised, the adsorption capacity of the adsorbent for impurities decreases.
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