Evonik, one of the world’s leading silica producers, has entered a strategic cooperation with the Pörner Group, Austria and Phichit Bio Power Co., Ltd., Thailand, to supply sustainable ULTRASIL® precipitated silica to tire manufacturers. The key raw material for the sustainable silica is sodium silicate, which is derived from rice husk ash (RHA), an agricultural waste product, and produced exclusively with green energy.
Silica is the key-ingredient for fuel-efficient tires, reducing the fuel consumption by up to eight percent compared to conventional passenger car tires. The demand for sustainable raw materials in tires is increasing significantly. A next generation of ULTRASIL® silica will be based on a biobased sodium silicate feedstock and green energy. Therefore, the carbon footprint of the new sustainable precipitated silica can be reduced substantially.
The new collaboration addresses the pressing needs of more sustainable tire production and the industry’s ambition to increase the use of renewable raw materials. Pörner Group’s pioneering process to generate the silicate from RHA uses biomass energy that enables Evonik to deliver a CO2 footprint reduction of up to 30% compared to its standard silica. Phichit Bio Power Co., Ltd. with its existing rice mills and biomass power plants, licenses Pörner Group’s technology and will invest in a new RHA sodium silicate plant in Thailand. This step allow Evonik to scale-up a reliable supply of biobased sodium silicate to meet the global tire industry’s demand for more sustainably produced silica.
“This cooperation is a strategically important first step in the further development of our product portfolio. For the first time, we can offer our customers an ULTRASIL® silica with an improved sustainability profile, thus we can support our customers’ carbon reduction and circularity goals,” said Emmanuel Auer, Head of Silica business line. “Further measures at other sites in our global production network are also planned to expand our renewables offering to meet global demand more sustainably.”
“At our demonstration plant in Germany we have verified the superior quality of the bio-silicates over several years of research and development in a pre-qualification process with Evonik,” said Gerhard Bacher, CEO of Pörner Germany. “Our patented process is based on the ash of biomass power plants fired with rice husks, where the Pörner Bio-Silicate Technology intelligently uses the natural properties of the rice plant to produce high-quality sodium silicates for many applications – above all to produce the silica used in the tire industry. Now, through this cooperation, it is possible to produce Bio-Silicates on an industrial scale and significantly reduce the CO2 footprint compared to the conventional processes. We are starting to decarbonize the silicate processing industry worldwide.”
“The environmental benefits of producing silicate from rice husk ash are clear, but equally as important are the benefits the cooperation brings for our stakeholders in the region. For example, through the creation of new jobs for local communities around the plant, or for farmers who will be able to connect to our electricity generation network,” said Banjong Tangjitwattanakul, President of Phichit Bio Power Co., Ltd. “We are proud to play our part in realizing this vision to supply the quantities of silicates from rice husk ash that will support the global silica production market to reduce its carbon footprint and help the planet.
For more information please visit https://www.silica-specialist.
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