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Absorbent and Catalyst
Molecular sieve 13x is the sodium form of the type X crystal and has a much larger pore opening than the type A crystals. It will adsorb molecules with a kinetic diameter of less than 10 Angstrom and exclude those larger. It also has the highest theoretical capacity of the common adsorbents and very good mass transfer rates. It can remove too large to fit type A crystal and is commonly used to separate nitrogen from oxygen.
Application:
It is mainly used for refinement since it implements simultaneous adsorption for bi-molecule and tri-molecule and can be applied for liquefied and gaseous materials on the whole. Main adsorbing target are carbon dioxide, sulfuretted hydrogen and mercaptan including water and it can adsorb all the material whose molecular diameter is less than 10A. The main uses are as follows.
1. Air refining (removing CO2 and H2O)
2. Oxygen PSA (Pressure Swing Adsorption) process
Formula:
Na86 (AlO2)86(SiO2) : XH2O
Hand & Storage Recommendation
It should be handled to avoid generation of dusty conditions at the workplace. Storage in a dry warehouse is recommended. Open packages should be released to prevent contamination and adsorption of water or other gases and vapors.