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Aluminium Sulphate White Granule  

Aluminium Sulphate White Granule

Product Description Anhydrous Aluminium Sulphate is colourless crystals, hydrous Aluminium Sulphate is glossy colourless granular or powdery crystals, industrial products are white or slightly grey powder or lumpy crystals, due to the presence of a small amount of ferrous sulphate impurities show green, oxidized product surface yellowing. Aluminium Sulphate is soluble in water, acid, alkali, insoluble in alcohol, easily soluble in water and hydrolysis, hydrolysis products for the alkali salt and aluminium hydroxide colloidal precipitate. When the water temperature is low, aluminium sulphate hydrolysis is difficult. Preparation of Aluminium Sulphate Sulfuric acid decomposition of bauxite method: Bauxite is crushed to 60 mesh, and reacted with 55%~60% sulfuric acid in the reactor under pressure for 6~8h, the crude reaction liquid is separated by sedimentation, evaporation and concentration, the clarified liquid is neutralized to neutral or slightly alkaline by adding acid, then…