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What Is a Zeolite?

chemistrymaterials

Quick Answer

A zeolite is a microporous aluminosilicate mineral with a crystalline framework containing channels and cavities that selectively absorb molecules.

The Full Story

Zeolites are crystalline minerals (natural or synthetic) with a honeycomb-like structure of tiny pores, typically 3–10 angstroms in diameter. This molecular sieve property allows them to selectively adsorb or exclude molecules based on size. Over 250 unique zeolite framework types are known. Applications include water softeners in laundry detergent, catalysts in petroleum refining, desiccants, and water purification filters. The global synthetic zeolite market exceeds 4 million tonnes per year.

Key Facts

1.Axel Fredrik Cronstedt coined zeolite in 1756 from the Greek for boiling stone because the mineral frothed when heated.
2.About 65% of all zeolite produced is used in laundry detergent as a water softener.
3.Zeolite catalysts are essential in fluid catalytic cracking — converting heavy crude fractions into petrol.

YouTube Angle

Suggested video title for this topic:

"Nature Molecular Sieve — What Zeolites Are and Why They Matter"

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