Bentonite Granules

Approx. Rs 6,000 / TonneGet Latest Price

Product Details:

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Roasted bentonite powder is primarily composed of minerals found in the smectite group, such as montmorillonite, which is naturally rich in silica (SiO2), aluminum oxide (Al2O3), magnesium oxide (MgO), and iron oxide (Fe2O3). Roasting removes excess moisture, enhancing its liquid-holding capacity and providing dust-free granules with improved absorption and chemical stability, making it a stable carrier for various agricultural and industrial formulations.  Key Compositional ElementsThe primary minerals in roasted bentonite are the same as in natural bentonite, but the heat treatment modifies its properties: 

• Silica (SiO2): A major component, typically found in high percentages. 
• Aluminum Oxide (Al2O3): Another key constituent, especially in selected high-quality bentonite. 
• Magnesium Oxide (MgO): Present as a significant component. 
• Iron Oxide (Fe2O3): Found in substantial amounts, sometimes contributing to its black color. 
• Water (H2O): Roasting significantly reduces the inherent moisture content, which increases the bentonite's absorption capacity. 
• Trace Minerals: Depending on the source, it can also contain small amounts of manganese (Mn), calcium (CaO), and other foreign materials like quartz, feldspar, or organic matter. 

Effects of RoastingThe roasting process at temperatures, such as 700°C, alters the bentonite's properties: 

 

• Enhanced Absorption: Roasting increases the bentonite's capacity to absorb liquids, making it an effective carrier. 
• Improved Stability: The removal of moisture and other volatile components leads to greater chemical stability and a longer shelf life. 
• Dust-Free Product: The granules become less dusty, improving handling, workplace safety, and performance in applications. 
• Slow Release: The resulting slow-release mechanism of the active ingredients from the carrier reduces the chances of washout, particularly in wet conditions.