Solvay to produce silica from rice husk ash for tires in Europe, expansion plans in N America
Green Car Congress
JANUARY 29, 2023
Solvay is investing at its Livorno, Italy site to launch the company’s first unit of circular highly dispersible silica (HDS) made with bio-based sodium silicate derived from rice husk ash (RHA). Rice husk is an abundantly available agricultural waste. Combustion of rice husk produces RHA, which consists mainly of silica (silicon dioxide, SiO 2 ). Studies have found that pre-treatment of rice husk prior to combustion can deliver purer silica.
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