Natural zeolites are also used in the petrochemical industry as catalysts
Posted by Coherent Market insights on April 15th, 2022
Water, alkali, and alkaline earth-metal cations occupy pores in natural zeolites, which are hydrated aluminosilicate frameworks. These materials have outstanding adsorption properties due to their unique 3D porous structure. Because of its negatively charged surface, zeolite is a good cation exchanger in general. Natural zeolites can be used as a very good adsorbent in high-selectivity separation and purification processes due to their cation-exchange ability and molecular sieving capabilities.
Acid treatment, ion exchange, and surfactant functionalization are among the zeolite modification methods available. Natural zeolites that have been modified have a better adsorption capacity for organics and anions in water.
The majority of current applications are in the sphere of environmental protection. On the contrary, only a few industrial applications have been recorded, owing to the fact that natural zeolites are less appealing than synthetic goods in this sector for a variety of reasons. Water and soil depuration, soil amendment, animal feeding and husbandry, pozzolanic addition to cements, dimension stone manufacturing, and lightweight aggregates for concrete are among the most prevalent applications of zeolitic tuffs, which have recently been reviewed.
Heavy metal cations such as cadmium, mercury, nickel, or arsenic (heavy metals) are incorporated and calcium, magnesium, or phosphates are released (minerals that are healthy for the human body). Because of this, natural zeolite is employed in a variety of natural applications such as agriculture, animal feeding, water purification, gas filtration, and human health.
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