Zeolite is not one mineral but a group of porous crystalline aluminosilicates capable of adsorption and ion exchange. Natural zeolite ore and synthetic molecular sieves are not the same product.
- Class
- Porous aluminosilicate mineral group
- Core function
- Adsorption and ion exchange
- Critical distinction
- Natural and synthetic zeolites
Why zeolite is a group
Zeolite species differ in pore structure, cation capacity, thermal stability and associated minerals. Natural deposits can contain zeolites together with volcanic tuff, clay and glassy phases.
Clinoptilolite is a common natural species, but a product labelled only as zeolite does not establish application performance.
Industrial application logic
- Water treatment and ion exchange
- Odour, liquid and gas adsorption
- Agriculture, feed and soil applications
- Catalysts and molecular sieves, commonly using specialised synthetic types
Crushing, drying and sizing
Natural zeolite can be crushed and screened as granular adsorbent or milled as a fine product. Excess fines can change pressure drop or use, so target fraction follows the application.
Drying changes adsorbed water, while high temperature may alter crystal structure and function. Thermal limits require species- and use-specific verification.
Process-selection inputs
- Zeolite species, purity and associated clay/glass
- Ion-exchange or adsorption objective
- Granule strength and target PSD
- Drying temperature, moisture and regeneration condition
