Fluoride-free extraction of niobium and tantalum from a pyrochlore-microlite intermediate concentrate via alkali fusion and water leaching

BO

Benedict Ndagano Ogalabyoshi Université Laval

SD

Salmata Diallo Université Laval

GK

Georgios Kolliopoulos Université Laval

Hydrometallurgy: Processing of Critical Materials Symposia

Batteries and Recycling 3

The 65th Conference of Metallurgy and Materials (COM 2026)

Direct Nickel Extraction from a Sulfide Ore Concentrate Using Hydrophobic Deep Eutectic Solvents

FH

Fatemeh Hadiani Kapourchali Université Laval

SD

Salmata Diallo Université Laval

AP

Ashish Pandey National Research Council of Canada (NRC)

GK

Georgios Kolliopoulos Université Laval

Hydrometallurgy: Processing of Critical Materials Symposia

Copper 2

The 65th Conference of Metallurgy and Materials (COM 2026)