Patent ID: 11858046
Assignee: NANOSCALE POWDERS LLC
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 4:
5. A process for the phase separation of excess molten reducing metal reductant from a vortex formed mixture of a metal powder and a salt, the process comprising: heating a bakeout vessel containing the mixture to a temperature above the melting point of the salt in the mixture, to form a salt bath phase, which includes the metal powder, and a separate molten reducing metal phase, then separating the molten reducing metal phase from the bakeout vessel;
wherein the molten reducing metal is selected from the group consisting of a Group I metal, a Group II metal, and aluminum; and
wherein the salt is selected from the group consisting of halides of rare-earth elements and refractory metals, and mixtures thereof.