01 Rise of Circular and Bio-Based Silica The shift towards sustainability is reshaping the market, with a strong trend toward developing and adopting circular and bio-based products. This evolution is led by increasing consumer demand for eco-friendly products and tightening environmental regulations globally. The industry is moving away from traditional production methods to embrace innovative processes that utilise renewable raw materials and reduce the carbon footprint. A prime example is rice husk ash, an agricultural byproduct that creates bio-based sodium silicate, the precursor for precipitated silica. This provides a sustainable raw material source and contributes to a circular economy by giving a second life to agricultural waste. Key industry players are at the forefront of this trend. For instance, Solvay announced its commitment to begin production of the first circular Highly Dispersible Silica (HDS) at its Livorno, Italy site by the end of 2024. This new generation of silica, produced using bio-based sodium silicate from rice husk ash and powered by renewable energy, is expected to reduce CO2 emissions by 50% per ton. This innovation will allow tire manufacturers and other industries like personal care and food to enhance the sustainability of their products, demonstrating a clear market shift where environmental performance is becoming as crucial as technical performance.
February 2026 Tata Chemicals laid the foundation stone for a new 50 KTPA precipitated silica plant at Cuddalore, Tamil Nadu, with an investment of INR 775 crore, expanding its specialty silica manufacturing capacity.
January 2026 Solvay inaugurated Europe's first bio-circular silica facility in Livorno, Italy. The facility produces highly dispersible silica using bio-based sodium silicate derived from rice husk ash.
November 2025 Tata Chemicals commissioned a 3,000 MTPA pearl-grade silica manufacturing capacity at its Cuddalore facility, strengthening its specialty silica production portfolio.