Process for making uniform size particles

Details Process for making uniform size particles Process for making uniform size particles

1980-03-26

1981-07-21

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By impinging plural liquid masses

264299, B01J 206

Patent

active

042798434

ABSTRACT:
Uniform sized particles of a ceramic or metal composition are formed by impinging a liquid stream of the composition upon at least one liquid stream of a second ceramic or metal which has a lower melting point than that of the particles. The impingement causes the liquid precursor to the particles to form small eddies which become solidified through heat loss to the other liquid stream. The temperature of the mixture is maintained so that the particles remain solidified while the other liquid stream(s) remain liquid. The solid particles then are separated from the liquid.

REFERENCES:
patent: 3970445 (1976-07-01), Gale et al.
patent: 4124377 (1978-11-01), Larson

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