Compositions – Frost-preventing – ice-thawing – thermostatic – thermophoric,...
Patent
1982-07-01
1984-02-07
Kittle, John E.
Compositions
Frost-preventing, ice-thawing, thermostatic, thermophoric,...
23293R, 23293A, 23302T, 23313FB, 423182, 423183, 423201, 423395, 423641, 423659, 71 58, 71 59, 264 3C, 264 3D, 149 41, 149 61, C09K 506
Patent
active
044302410
ABSTRACT:
A process for producing particles of a non-friable eutectic mixture of sodium nitrate and potassium nitrate for solar power station use is disclosed. In one embodiment of the invention, the particles are produced by shock chilling a molten stream of mixed nitrate material and crushing the resulting flakes to a size range of between about -5 mesh and about +30 mesh. In a second embodiment, particles of this size are produced by spray granulation of a concentrated solution of mixed nitrate salts onto a fluidized bed to produce dry, free-flowing, solid spheres. In both embodiments, the particles are extremely hard, resistant to moisture pickup and adaptable to being readily shipped by bulk containers.
REFERENCES:
patent: 1937757 (1933-12-01), Gleason
patent: 2635945 (1953-04-01), Pike
patent: 2643180 (1953-06-01), Miller
patent: 2773753 (1956-12-01), Stengel
patent: 2782094 (1957-02-01), Ames
patent: 2782095 (1957-02-01), Ames
patent: 3361522 (1968-01-01), Flatt
Clements Donald F.
Kittle John E.
Oaks Arthur E.
Olin Corporation
Wax Robert A.
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