13XAPG Molecular Sieve is Sodium aluminosilicate, It could absorb the molecular which diameter is not more than 9 angstroms. It can remove impurities too larger to fit into a type A crystal and is commonly used to separate N2 from O2. 13X APG Molecular Sieve is the sodium form of the type X crystal and has a much larger pore opening than the type A crystals. It has the highest capacity of common adsorbents and excellent mass transfer rates.
Chemical formula: Na2O*Al2O3*(2.8±0.2)SiO2*(6-7)H2O
Silicon-aluminum ratio: SiO2/Al2O3≈2.6-3.0
Effective pore size: about 9A (0.9 nm)
Diameter(mesh): 8*12 ; 4*8
Static adsorbed water(≥ %wt): 27; 27
Adsorption of CO2(≥ mg/g):185; 185
Bulk density(≥ g/ml): 0.65; 0.64
Compressive strength(≥ N): 30 ; 70
Abrasion ratio(≤ %wt): 0.1; 0.1
Residual moisture content(≤ %wt): 1.5; 1.5
Mainly used for the special requirements of the air separation industry, purification of raw gas (simultaneous removal of H2O and CO2) and hydrocarbons in large and medium-sized intermediate separation units. Different from ordinary 13X molecular sieves, it further improves the adsorption capacity of carbon dioxide and water. , to avoid the phenomenon of freezing towers in the cryogenic air separation process, and is suitable for various large-scale cryogenic and PSA air separation devices.
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