What Are The Uses Of Aluminium Sulfate?

Feb 26, 2025

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No.1 Used as a sizing agent in the paper industry to enhance the water resistance and anti-permeability of paper. Acts as a precipitant for materials such as rosin and wax emulsions;
No.2 Used as a flocculant in drinking water, industrial water, and industrial wastewater treatment. Adding aluminium sulfate to water can generate gelatinous aluminium hydroxide flocs that can adsorb and precipitate bacteria, colloids, and other suspended solids, helping to control the colour and taste of drinking water;
No.3 Used as a turbidity purifier, also serves as a precipitant, colour-fixing agent, and filler. Used in cosmetics as a raw material for antiperspirant products (astringent);
No.4 In the fire-fighting industry, forms a foam extinguishing agent with baking soda and foaming agents;
No.5 Analytical reagent, mordant, tanning agent, grease decolorising agent, wood preservative;
No.6 Stabiliser for pasteurised albumin (including liquid or frozen whole eggs, egg whites, or yolks);
No.7 Can be used as a raw material for manufacturing synthetic gemstones and high-grade ammonium alum, and other aluminates;
No.8 In the dye industry, acts as a precipitant in the production of chrome yellow and pigment dyes, while also serving as a colour-fixing and filling agent;
No.9 Used as an effective crosslinking agent for animal glue, and can improve the viscosity of animal glue. Curing agent for urea-formaldehyde adhesives, with a faster curing speed in a 20% aqueous solution. Also used for decolourising and deodorising petroleum.

What Are The Uses Of Aluminium Sulfate?

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