Manufacture of metal halide particles

Details Manufacture of metal halide particles Manufacture of metal halide particles

1976-03-17

1980-05-06

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By extrusion spraying or gravity fall through orifice

264 5, B01J 204

Patent

active

042017394

ABSTRACT:
An improvement is disclosed in a process for the manufacture of metal halide particles containing at least one lanthanide metal halide in which the metal halide is melted and passed through a discharge conduit into an inert, quenching atmosphere. The improvement comprises adding a minor amount of hydrogen halide (the halide radical of the lanthanide metal halide and of the hydrogen halide being of the same halogen species) to the molten lanthanide metal halide to promote wetting of the molten lanthanide metal salt on the discharge conduit. The resulting particles show excellent uniformity of particle size and size distribution.

REFERENCES:
patent: 3676534 (1972-07-01), Anderson
patent: 3944639 (1976-03-01), Osajima et al.

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