Coating processes – Particles – flakes – or granules coated or encapsulated – Applying superposed diverse coatings or coating a coated base
Patent
1975-02-10
1979-11-13
Silverberg, Sam
Coating processes
Particles, flakes, or granules coated or encapsulated
Applying superposed diverse coatings or coating a coated base
428403, 427215, C01B 1106
Patent
active
041744110
ABSTRACT:
A process is described in which granular calcium hypochlorite particles are encapsulated with a plurality of layers of an inorganic salt other than calcium hypochlorite. In this process granular calcium hypochlorite particles are placed in a moving bed and a portion of the moving bed is lifted to the upper part of a distributing zone and released to fall downwardly through the distributing zone to the moving bed. An aqueous medium of the inorganic salt is sprayed onto the falling particles at a temperature sufficiently high to simultaneously evaporate and remove water from the aqueous medium and to provide a coating of a plurality of layers of inorganic salt in solid form on each calcium hypochlorite particle.
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Coe Noel N.
Faust John P.
Saeman Walter C.
Clements Donald F.
Haglind James B.
Olin Corporation
Silverberg Sam
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