In the paper industry, it is used as a precipitant for rosin and wax emulsion, and can be used as flocculant in water treatment. It can also be used as an internal retaining agent for foam extinguishers, making alum, aluminum and white raw materials, oil decolorizing, deodorant, raw materials for certain medicines, etc. It can also be used to make artificial gemstones and high-grade ammonium alum. The product with arsenic content no more than 5mg / kg can be used as flocculant in water treatment. 

1. Used as paper sizing agent in papermaking industry to enhance the water resistance and anti-seepage performance of paper;

2. After being dissolved in water, the fine particles and natural colloidal particles in the water can agglomerate into large floccules, which can be removed from the water, so it is used as coagulant for water supply and wastewater;

3. Used as turbid water purification agent, as well as precipitation agent, fixing agent, filler, etc. Used as the raw material of antiperspirant cosmetics (astringent);

4. in the fire industry, foam extinguishing agent is composed of baking soda and baking soda.

5. Analytical reagent, mordant, tanning agent, oil decolorizer, wood preservative;

6. Stabilizers for pasteurization of albumin (including liquid or frozen whole egg, protein or yolk);

7. It can be used as raw materials for the manufacture of artificial gemstones, high-grade ammonium alum and other aluminates;

In the fuel industry, chrome yellow and lake dyes are used as precipitant, as well as fixation and filler.

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