Abstract
On January 17, 2023, Solvay announced it was investing at its Livorno site in Italy to launch the company's first unit of circular highly dispersible silica (HDS), made with bio-based sodium silicate derived from rice husk ash. This new silicate process is claimed to provide a circular solution as it gives a second life to rice husk in a local value chain. Coupled with renewable energy integration at the plant, it should allow Solvay to achieve a 50% reduction in CO2 per ton of silica. This will reportedly make the Livorno site Europe's best in class silica production site in terms of CO2 footprint. Production is expected to start by the end of 2024.
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