Rice Husk Briquette as Biofuel

Rice husk briquettes are a type of biofuel made from the outer shell (husk) of rice grains, which is typically a byproduct of rice milling. Instead of being discarded or burned as waste, rice husks are compacted under high pressure to form solid, cylindrical briquettes without the need for binders.

Key Features:

  • Renewable Resource: Rice husk is an abundant agricultural residue, making it a sustainable energy source.
  • Energy Efficient: Briquettes have a high calorific value (around 3,200–4,200 kcal/kg), making them suitable for industrial and household heating applications.
  • Low Emissions: Compared to fossil fuels, they produce less carbon dioxide and no sulfur emissions, reducing air pollution.
  • Cost-Effective: They offer a low-cost alternative to coal and wood, especially in rice-producing regions.
  • Easy Storage and Transport: Briquettes are denser and more uniform than raw husks, improving handling and logistics.

Applications: Used in boilers, kilns, power generation, and domestic cooking stoves.