Apparatus and method for reduction of a solid feedstock

Details Apparatus and method for reduction of a solid feedstock Apparatus and method for reduction of a solid feedstock

C - Chemistry, Metallurgy

25

C

C25C 7/00 (2006.01)

Patent

CA 2761588

In a method for reduction of a solid feedstock, such as a solid metal compound, in an electrolytic apparatus a portion of the feedstock is arranged in each of two or more electrolytic cells (50, 60, 70, 80). A molten salt is provided as an electrolyte in each cell. The molten salt is circulated from a molten salt reservoir (10) such that salt flows through each of the cells. Feedstock is reduced in each cell by applying a potential across electrodes in each cell, the potential being sufficient to cause reduction of the feedstock. The invention also provides an apparatus for implementing the method.

La présente invention se rapporte à un procédé permettant de diminuer une charge d'alimentation solide, telle qu'un composé métallique solide, dans un appareil électrolytique. Une partie de la charge d'alimentation est disposée dans chacune des deux cellules électrolytiques ou plus (50, 60, 70, 80). Un sel fondu est utilisé comme électrolyte dans chaque cellule. On fait circuler le sel fondu provenant d'un réservoir de sel fondu (10) de telle sorte que le sel circule à travers chacune des cellules. La charge d'alimentation est réduite dans chaque cellule par application d'un potentiel aux bornes des électrodes de chaque cellule, le potentiel étant suffisant pour provoquer une diminution de la charge d'alimentation. L'invention porte également sur un appareil permettant de mettre en uvre le procédé.

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