Properties and applications of molecular sieves
Release time:
2023-04-19
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The function of a molecular sieve in adsorption or repulsion is affected by the electrical properties of the molecule. Synthetic zeolites have a special function of selective adsorption depending on the size and polarity of the molecules, so that the gas or liquid can be dried or purified, which is the basis for the separation provided by the molecular sieves. Synthetic zeolites can meet a wide range of industrial requirements for adsorption and selective properties, and synthesize zeolite molecular sieves are also widely used in industrial separations.
The function of a molecular sieve in adsorption or repulsion is affected by the electrical properties of the molecule. Synthetic zeolites have a special function of selective adsorption depending on the size and polarity of the molecules, so that the gas or liquid can be dried or purified, which is the basis for the separation provided by the molecular sieves. Synthetic zeolites can meet a wide range of industrial requirements for adsorption and selective properties, and synthesize zeolite molecular sieves are also widely used in industrial separations.
Molecular sieves have a huge impact on catalytic science and technology. The invention of molecular sieve cracking catalysts in the early 1960s triggered a technological revolution in the petroleum refining industry. The shape selectivity of ZSM-5 molecular sieves discovered in the 1970s led to the successful development of important petroleum refining and petrochemical new industrial processes (ethylbenzene production, toluene disproportionation, heavy oil dewaxing, etc.). The TS-1 variable-value element heteroatom molecular sieves appeared in the 1980s extremely activate the “oxidation catalysis” of molecular sieves. In recent years, the application of molecular sieves in “environmental catalysis” has also developed rapidly. The successful application of molecular sieves in industrial catalytic processes has stimulated the extensive development of molecular sieve synthesis, modification, characterization and application research.
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Properties and applications of molecular sieves
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