Brisil produces precipitated silica & highly dispersible silica using biomass (rice husk ash & others) for tyres, rubber products, paint, toothpaste, food and other industries. Brisil is a leading company addressing the problem of rice husk ash utilization. Rice husk ash is the leftover generated after using husk as fuel. Brisil has developed an innovative green technology to use rice husk ash to produce green precipitated silica and highly dispersible silica.