UN PROCEDIMIENTO PARA GRANULAR PARTICULAS.

摘要

Granules of the magnesium salts of percarboxylic acid carboxylates are obtained by spraying onto agitated feed particles of the salt a small amount of a dilute aqueous solution of a synthetic poly hydroxy-substituted compound, particularly polyvinylalcohol and drying the resultant agglomerate. It is especially suitable to carry out the granulation process in a warm air fluidized bed using feed particles of mainly below 200 microns producing eventually a low bulk density product mainly in the range 200-1000 microns. In a modification of the fluidized bed process, the agglomerating agent used can be a aqueous solution of carboxylated polyvinyl alcohol.