Production Process

Rice Husk Ash (RHA) is digested in caustic soda (NaOH) to produce sodium silicate (Na₂SiO₃). The key reaction is:
2NaOH + SiO₂ → Na₂SiO₃ + H₂O
Only the SiO₂ content of the ash reacts, ensuring a high-quality final product. Caustic soda is locally produced in Bangladesh.

Raw Material Availability

Bangladesh is the 4th largest rice producer, with over 50 million MT annually.
Annual rice husk production is approximately 12 million MT.
About 3 million MT of RHA is produced yearly, with most being unused and causing environmental hazards.

Environmental Benefits

Reduces electricity consumption from fossil fuel-based power sources.
Substitutes coal in steam generation.
Rice husk is carbon-neutral, reducing CO₂ emissions.

Industrial Applications of Sodium Silicate

Used in packaging, detergents, ceramics, adhesives, cement, oil pipelines, mining, fireproof boards, paints, and more.

Market Demand & Supply

Total demand: 880,000 MT/year
Local supply: 616,000 MT/year (70%)
Gap: 264,000 MT
Proposed production capacity: 132 TPD (4 factories)
Price increase: 25% due to a 40% rise in soda ash prices

Competitive Advantages

No natural gas or imported raw materials required.
High purity with zero impurities.
Cost-saving, high profitability, and sustainable.