Description

Name:molecular sieve;

Definition: hydrated silicates (zeolites) or natural zeolites with the role of screening molecules;

Chemical formula:(M′2M)O·Al2O3·xSiO2·yH2O;

Models: 3A (potassium A type), 4A (sodium A type), 5A (calcium A type), 10Z (calcium Z type), 13Z (sodium Z type), Y (sodium Y type), sodium mordenite type, etc;

Characteristics:there are a lot of uniform pore size pore and arranged on the cavity structure,molecular sieves with different sizes separate the molecules of different sizes and shapes,high adsorption capacity,selectivity strong,high temperature resistance;

Application:

1. The field of drying and purification: dehydration and purification of air pollutants;

2. Adsorption separation field: separation of mixed xylene, separation of N2/ O2 and improvement of octane number of gasoline;

3. Catalyst field: