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Rice husk ash (RHA) is a fine powder produced from the controlled burning of rice husks, the protective outer layer of rice grains. Rich in silica, RHA is a valuable pozzolanic material used in the construction industry to partially replace cement, improving concrete's strength, durability, and workability. Beyond construction, RHA finds applications in soil stabilization, water treatment, insulation, and as a fertilizer or soil amendment, offering a sustainable way to manage agricultural waste.  Production and Properties

• Source: RHA is derived from rice husks, a byproduct of the rice milling process. 
• Process: Rice husks are burned in a controlled environment, which removes their cellulose and lignin, leaving behind a silica-rich ash. 
• Composition: RHA is high in silica content, which gives it its pozzolanic properties, enabling it to react with calcium hydroxide in concrete. 

Applications

• Construction:
  • Cement Replacement: RHA can replace a portion of the cement in concrete, improving long-term strength, durability, and resistance to chemical attacks. 
  • Soil Stabilization: It strengthens and stabilizes soil for civil engineering projects, such as road construction. 
  • Insulation: Due to its low thermal conductivity, it can be used to create lightweight insulating materials. 
  • Bricks and Blocks: RHA can be added to clay to produce lighter, stronger, and more durable bricks and blocks. 
• Agriculture:
  • Soil Amendment: RHA can increase the pH of acidic soils, improving nutrient availability and affecting hydro-physical soil properties. 
  • Fertilizer Component: It can be used as an inorganic fertilizer substitute or a carrier for biofertilizers. 
• Environmental Applications:
  • Wastewater Treatment: RHA acts as an adsorbent material, helping to remove heavy metals and other contaminants from wastewater. 

Benefits

• Environmental Sustainability: RHA helps manage agricultural waste, reducing the environmental burden of rice husk disposal. 
• Improved Material Properties: Its use in concrete leads to enhanced strength, reduced permeability, and increased durability. 
• Cost-Effective Solutions: By utilizing a waste material, RHA offers a potentially more cost-effective alternative in various applications. 

Approx. Rs 75 / KgGet Latest Price

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We can offer High Grade Molasses based Fusel Oil from Distilleries on regular basis from Tamil Nadu