SisAl Pilot

Innovative pilot for Silicon production with low environmental impact using secondary Aluminium and silicon raw materials

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Project Video

SisAl Pilot is a 4 year project funded by Horizon 2020 (GA 869268) and it aims to demonstrate a patented novel industrial process to produce silicon (Si, a critical raw material), enabling a shift from today’s carbothermic Submerged Arc Furnace (SAF) process to a far more environmentally and economically sustainable alternative: an aluminothermic reduction of quartz in slag that utilizes secondary raw materials such as aluminium (Al) EoL scrap and dross, as replacements for carbon reductants used today.

First year project results

During this first year, the project successfully performed small-scale experiments in WP2 used as input in the upcoming pilot trials at Elkem. The separation of the different compounds through hydrometallurgical treatment has been optimized in WP3 and the modelling team in WP5 has created initial HSC and LCA models in which data from small-scale experiments have been used to verify the models. Data from the pilot experiments in WP2 and WP3 will be included when these will be available.

Second year project results

SisAl Pilot is approaching the end of the second year and thereby also the mid-term of the project. Looking back at the time that has passed many promising results have been produced at different scales by the project partners both on the pyro- and hydrometallurgical side. The mass flow models, LCA models and business cases have been improved, which together with the experimental and modelling results have given us more confidence in the implantation and commercialisation of the SisAl pilot process. This year has also given us many positive memories from meeting partners at different locations in Europe and also at Mintek in South Africa. We hope that you will enjoy reading each partner’s summery of their achievements during this year and last but not least we would like to thank all our partners for very fruitful and successful collaboration that we hope and believe will continue during the third and fourth year of the project.

News & Events

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Hybrid course and seminar in Hydrometallurgy, November 21-24, Athens

Hybrid course and seminar in Hydrometallurgy, November 21-24, Athens

14 Nov 2022

SisAl Pilot is glad to invite you to a hybrid course and seminar in Hydrometallurgy, which will be held on November 21-24 in Athens. Registrations […]

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SisAl Pilot at ECOMONDO 2022

SisAl Pilot at ECOMONDO 2022

08 Nov 2022

Our dissemination manager Valentina Cinti is presenting the SisAl Pilot Project in the frame of the ECOMONDO  event,  taking place in Rimini (Italy), from 8 to 11 November. The SisAl Pilot […]

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Our Partners

SisAl Pilot is coordinated by NORGES TEKNISK-NATURVITENSKAPELIGE UNIVERSITET NTNU. The consortium comprises 22 partners from 9 countries.