A kind of molecular sieve, what are the characteristics of zeolite molecular sieve

Zeolite molecular sieve is a kind of naturally occurring or artificially synthesized aluminosilicate material with uniform pore size and regular pores. Si-Al molecular sieve is based on silicon-oxygen tetrahedron and aluminum-oxygen tetrahedron as the basic structure, and its internal main structure is the basic structure through The multi-element rings formed by the interconnection of oxygen bridges and multiple multi-element rings are connected to form various pore channels between the cages, and have the characteristics of controllable pore channel scale, stable and single pore size, and large specific surface area.
Zeolite molecular sieves have the structure and characteristics of crystals, the surface is a solid framework, and the internal pores can play the role of adsorbing molecules. There are pores connected to each other
molecule by hole
Road passes by. Due to the crystalline nature of the pores, the pore size distribution of molecular sieves is uniform. Molecular sieves selectively adsorb molecules according to the size of the internal pores of their crystals, that is, adsorb molecules of a certain size and reject molecules of larger substances, so they are vividly called "molecular sieves".
Traditional molecular sieves can be used as desiccants, adsorbents and ion exchangers. The adsorption or repulsion function of molecular sieves is affected by the electrical properties of the molecules. Synthetic zeolite has the function of selective adsorption according to the size and polarity of the molecule, so it can dry or purify the gas or liquid, which is also the basis for the separation of molecular sieves. Synthetic zeolite can meet the wide demand of the industry for adsorption and selective characteristic products, and it is also widely used in synthetic zeolite molecular sieves in industrial separation.

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