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4A Zeolite Molecular Sieve Supplier

Molecular sieves are a synthetic aluminosilicate with microporous cubic lattice. According to the size of the internal pores of its crystal adsorption or rejection of different substances in the molecule, which is called "molecular sieve". Molecule diameters smaller than the molecular diameter of the molecular sieve crystals can enter the molecular sieve crystals, which are adsorbed, otherwise, are excluded.

Zeolite molecular sieves determine the order of preferential adsorption based on the polarity of the different substance molecules. According to the size and shape of the different choice of adsorption, that is, only those molecules that are smaller than the molecular sieve pore size. For the small polar molecules and unsaturated molecules, with the choice of adsorption properties, the greater the polarity, the higher the degree of unsaturation, the stronger the choice of adsorption.

A type of molecular sieve is one of the molecular sieve, its structure and NaCl is very similar, belonging to the cubic crystal system. Since the effective pore size of 4A molecular sieve is 0.4nm, it is called 4A molecular sieves, and its spatial network structure is staggered by siloxane tetrahedral element [SiO4] and aluminum oxide tetrahedral [AlO4] unit.

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