XL-3 molecular sieve
Key words:
XL-3 molecular sieve
Classification:
Product Description
XL-3 molecular sieve is a potassium metal aluminosilicate, and its crystal has a potassium-type structure. XL-3 molecular sieve can adsorb molecules with a critical diameter of no more than 3Å.
use
● Dry dehydrated sulfur of unsaturated hydrocarbons such as cracked gas, propylene, butadiene and acetylene.
● Drying of polar materials such as ethanol.
● In the process of adsorbing water, it can eliminate the "co-adsorption" phenomenon caused by other hydrocarbon molecules.
Technical indicators
|
project |
unit |
Indicators |
|
|
chemical composition |
|
K5.5 Na 6..5 [(AlO2)12.(SiO2)12.XH2O |
|
|
Effective aperture |
Oh |
~3 |
|
|
shape |
|
Spherical (granular) |
|
|
granularity |
mm |
⑦1.6~2.5 |
⑦3.0~5.0 |
|
bulk density |
kg/L |
≥0.70 |
≥0.70 |
|
Compressive strength (point contact crushing resistance) |
N/pieces |
≥35 |
≥100 |
|
wear rate |
wt% |
≤0.2 |
≤0.2 |
|
Static water adsorption capacity (75%HR 35±1℃) |
wt% |
≥21.0 |
≥21.0 |
|
static ethylene adsorption |
mg/g |
≤3.0 |
≤3.0 |
|
Dynamic water adsorption capacity |
wt% |
≥10 |
≥10 |
|
Product moisture content after packaging |
wt% |
≤1.5 |
≤1.5 |
* 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 conditions
The working conditions of the adsorbent depend on the application of the adsorbent.
Normally, when the pressure is raised and the temperature is lowered, the amount of impurities adsorbed by the adsorbent increases; conversely, when the pressure is lowered and the temperature is raised, the amount of impurities adsorbed by the adsorbent decreases.
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