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Properties and Applications of Molecular Sieves

Release Date:

2023-04-10

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The adsorption or repulsion behavior of molecular sieves is influenced by the electrical properties of molecules. Synthetic zeolites possess a unique ability to selectively adsorb molecules based on their size and polarity, enabling the drying or purification of gases and liquids—this selectivity underpins their utility in separation processes. Synthetic zeolites can meet the broad industrial demand for materials with tailored adsorption and selectivity characteristics, and they are extensively employed in industrial separation applications.

Molecular sieves have had a profound impact on catalysis science and technology. The invention of molecular-sieve cracking catalysts in the early 1960s sparked a technological revolution in the petroleum refining industry. In the 1970s, the discovery of the shape-selective properties of the ZSM‑5 molecular sieve enabled the successful development of several important new processes in petroleum refining and petrochemicals, including ethylbenzene production, toluene disproportionation, and heavy‑oil dewaxing. In the 1980s, the emergence of TS‑1, a redox‑active heteroatom‑containing molecular sieve, injected vigorous momentum into the field of oxidative catalysis. In recent years, the application of molecular sieves in environmental catalysis has also advanced rapidly. The successful deployment of molecular sieves in industrial catalytic processes has, in turn, spurred extensive research into their synthesis, modification, characterization, and practical applications.

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Properties and Applications of Molecular Sieves

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Principle of Molecular Sieve Adsorption

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Principle of Molecular Sieve Adsorption