Process for mixing liquid additives with solid materials under s

Details Process for mixing liquid additives with solid materials under s Process for mixing liquid additives with solid materials under s

1978-07-26

1981-02-24

Silverberg, Sam

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

427221, 427212, 427220, 118303, B32B 702

Patent

active

042528445

ABSTRACT:
A process is disclosed for the mixing of relatively small amounts of liquid or liquefied additive with relatively large amounts of solid granular material comprising: forming, in a conduit, a continuous pneumatic- or gravity-borne stream of solid granular material; passing an inert gas stream through a constricting orifice to maintain sonic velocity flow conditions therein; concurrently introducing a stream of said liquid or liquefied additive into said inert gas stream in said constricting orifice under conditions such that combined stream sonic velocity flow conditions are maintained; and introducing the resulting combined liquid or liquefied additive and inert gas streams into said conduit to effect addition of said liquid or liquefied additive to said solid granular material.

REFERENCES:
patent: 1854100 (1932-04-01), Brito
patent: 2600882 (1915-06-01), Kellet
patent: 2658847 (1953-11-01), McDonald
patent: 3009826 (1961-11-01), Straughn
patent: 3240254 (1966-03-01), Hughes
patent: 3351979 (1967-11-01), Buonquito
patent: 3447950 (1969-06-01), Evans et al.
patent: 3548282 (1970-12-01), Bergquist
patent: 4117801 (1978-10-01), Dannelly

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