CPC C01B 35/04 (2013.01) [C01P 2006/32 (2013.01); C01P 2006/40 (2013.01)] | 19 Claims |
1. An assembly for producing a metal boride powder, the assembly comprising:
a first fluidized bed reactor configured to produce a boriding gas stream from a first powder;
a second fluidized bed reactor fluidly coupled to the first fluidized bed reactor through a first conduit configured to deliver the boriding gas stream to the second fluidized bed reactor, wherein the second fluidized bed reactor is configured to mix the boriding gas stream with a second powder selected from the group consisting of metal oxides, metal hydroxides, and alloys, to produce a metal boride powder or boron-doped powder;
a bypass conduit fluidly connecting the first conduit to an exhaust vent, thereby bypassing the second fluidized bed reactor; and
a valve configured to alternatively direct gas from the first fluidized bed reactor to the exhaust vent and to the second fluidized bed reactor.
|