PROCESS FOR PRODUCING MICROPARTICLES BY PLASMA-INDUCED ELECTROLYSIS

摘要

There are provided: a process for producing metal microparticles, characterized in that an oxide of metal species (metal belonging to Group 3, Group 4, Group 5, Group 6, Group 7, Group 8, Group 9, Group 10, Group 11, Group 12, Group 13 or Group 14) of metal microparticles is melted in an electrolytic bath and that a molten salt electrolysis is carried out with a negative electrode disposed in the vicinity of the electrolytic bath; a process for producing metal microparticles, characterized in that a molten salt electrolysis is carried out with a positive electrode containing the metal species disposed in a molten salt and with a negative electrode disposed in the vicinity of an electrolytic bath, or a method of recycling used metal by the use of these production processes; a method of recycling a metal, characterized in that a molten salt electrolysis is carried out with used metal melted into an electrolytic bath and with a negative electrode disposed in the vicinity of the electrolytic bath to thereby obtain metal microparticles; and a method of recycling a metal, characterized in that a molten salt electrolysis is carried out with used metal utilized as a positive electrode material and with a negative electrode disposed in the vicinity of an electrolytic bath to thereby obtain metal microparticles.