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MengziY-type molecular sieve

NaY zeolite is a term that was officially approved by the National Committee for the Standardization of Scientific and Technical Terms in 2019.

Product Description

A Y-type molecular sieve with cations. Its framework structure is identical to that of the Y-type molecular sieve, forming white cubic octahedral crystals with a unit-cell composition of .

A synthetic hydrated aluminosilicate (zeolite) or a natural zeolite that functions as a molecular sieve. Its general chemical formula is (M′2M)O·Al2O3·xSiO2·yH2O, where M′ and M represent monovalent and divalent cations, such as K+, Na+, Ca2+, and Ba2+. Structurally, it features numerous uniform‑sized channels and regularly arranged cavities; molecular sieves with different pore sizes can separate molecules of varying sizes and shapes. Depending on the SiO2/Al2O3 molar ratio, molecular sieves with distinct pore dimensions are obtained. Common types include: 3A (potassium A‑type), 4A (sodium A‑type), 5A (calcium A‑type), 10Z (calcium Z‑type), 13Z (sodium Z‑type), Y (sodium Y‑type), and sodium mordenite‑type, among others. These materials exhibit high adsorption capacity, strong selectivity, and excellent thermal stability. They are widely used in organic and petrochemical industries and serve as outstanding desiccants for gas dehydration. Moreover, they are increasingly recognized for their utility in exhaust‑gas purification.

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