High Purity Alumina and Critical Metals

Metlen is actively pursuing the development of new technologies for the production of materials for high tech applications, such as high purity alumina for LEDs, Scandium for Al-Sc superalloys, Gallium for semi-conductors, Vanadium for batteries and others.

SCALE

Production of Scandium compounds and Scandium Aluminum alloys from European metallurgical by-products https://www.scaletechnology.eu/

SisAl Pilot

Innovative pilot for Silicon production with low environmental impact using secondary Aluminium and silicon raw materials https://www.sisal-pilot.eu/

AlSiCal

Towards sustainable mineral and metal industry: ZERO Bauxite Residue and ZERO CO2 from co-production of Alumina, Silica and precipitated Calcium carbonate by the Aranda-Mastintechnology https://www.alsical.eu/

ENSUREAL

Integrated cross-sectorial approach for environmentally sustainable and resource-efficient alumina production. https://ensureal.com/

SisAL Slag

Silicon and High Purity Alumina (HPA)  production https://sisalslag.eu/

Valore

Small-scale pilot tests for the extraction of Ga (& V) from Bayer liquors from alumina production. https://kic-valore.eu/en