Sandra Alonso

Lead Researcher for Silicates | GRUPO IQE Spain

Sessions

16:30h

Conference | Smart Chemistry

Circular economy in precipitated silica: innovation using rice husk and end-of-life tyres

Daniel Julve GRUPO IQE Lead Researcher for Precipitated Silica Speaker

Sandra Alonso GRUPO IQE Lead Researcher for Silicates Speaker

2026-06-04 16:30 2026-06-04 17:00 Europe/Madrid Circular economy in precipitated silica: innovation using rice husk and end-of-life tyres The tyre sector is making a forward-looking commitment to sustainability. Since the early 2000s, synthetic amorphous precipitated silica (SAS) has been part of some low fuel-consumption tread formulations, known as “green tyres”. The circular economy, and the use of renewable and/or recyclable raw materials, represents a further step towards improved sustainability. In this context, the recycling of this filler from end-of-life tyres and its incorporation into the manufacture of circular silica, as well as the use of renewable silicon sources —with rice husk ash (RHA) being one of the most promising residues— are under study and/or implementation. The talk will present the steps taken by Industrias Químicas del Ebro S.A. to advance these objectives and become a manufacturer of circular and sustainable materials. Smart Chemistry

Thu 4 16:30h - 17:00h Smart Chemistry Public access

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Sandra Alonso

Sessions

Circular economy in precipitated silica: innovation using rice husk and end-of-life tyres

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