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Molecular sieve is a crystalline material with a microporous structure, similar to a honeycomb like grid, with high pore performance. These pores can screen compounds of similar molecular sizes, thereby achieving gas separation and purification.
Molecular sieves are classified according to their different pore sizes: 3A, 4A, 5A, 13X, etc. They are also classified into spherical particles, bar shaped particles, and powders based on their appearance.
The internal structure of molecular sieves: