Sustainability is reshaping the silica industry. Major manufacturers are investing heavily in greener production methods.
Bio-Circular Silica from Rice Husk Ash:
Solvay has inaugurated Europe's first bio-circular silica facility in Italy, producing highly dispersible silica using bio-based sodium silicate derived from rice husk ash-an agricultural byproduct-
This process reduces CO₂ emissions by 35% per tonne of silica compared to traditional methods-
The company plans to convert all its silica production sites worldwide to use ISCC® PLUS certified raw materials-
Waste Sand-Based Silica:
Production using ISCC+ certified waste sand has begun at Solvay's plants in Qingdao, China and Gunsan, South Korea-
Market Impact:
• Circular silica can help tire manufacturers achieve up to 15% recycled or renewable materials in tire composition-
• Solvay's circular HDS helps tire manufacturers cut their carbon footprint by 50% per ton of silica produced-
Sustainable silica is not just an environmental choice-it's becoming a regulatory requirement and a competitive advantage in export markets with strict sustainability standards.
