PROCESS FOR THE PREPARATION OF ALUMINIUM HYDROXY HALIDE POWDERS

摘要

For the working up of aqueous aluminium hydroxy chloride or bromide solutions to powdery, colourless clear water-soluble products the process of the spray drying by means of drying gas introduced in parallel flow is suitable, if the following conditions are adhered to: temperature of the drying gas at the dryer entrance 205 DEG to 500 DEG C, relative moisture of the gas leaving the dryer 20 to 40 %.