In the papermaking industry, it can be used as a precipitant for rosin gum, wax emulsion and other rubber materials, as a flocculant in water treatment, as an internal agent for foam fire extinguishers, as a raw material for making alum and aluminum white, as a decolorizer for petroleum, as a deodorant, and as a pharmaceutical agent. Raw materials, etc. can also be used to produce artificial gemstones and high-grade ammonium alum.
1. Water treatment agent
Aluminum sulfate is widely used in water treatment for its role as a coagulant and flocculant. It can remove suspended solids, organic matter and heavy metal ions from the water, making the water clearer. In drinking water treatment, aluminum sulfate is also widely used to ensure the safety and hygiene of water quality.
2. Foam fire extinguishing agent
Aluminum sulfate can react with carbonate solutions to produce carbon dioxide, so it is used as one of the main components of foam fire extinguishing agents. This fire extinguishing agent can effectively extinguish solid, liquid and gas fires without causing pollution to the environment.
3. Catalyst
Aluminum sulfate is also a commonly used catalyst. In chemical reactions, it can speed up reactions and improve product selectivity. For example, in the petrochemical industry, aluminum sulfate is used in reactions such as catalytic cracking, isomerization and alkylation.
4. Pharmaceutical and cosmetic additives
Aluminum sulfate is also widely used in pharmaceuticals and cosmetics. It can be used as an astringent, hardener, and desiccant. In cosmetics, aluminum sulfate helps improve skin texture and color. In addition, it can also be used as an additive in drugs to increase the efficacy and stability of the drug.
5. Other uses
In addition to the above main uses, aluminum sulfate is also widely used in other fields. For example, it can be used as a sizing agent and dyeing agent for paper; in agriculture, aluminum sulfate can be used as a carrier for fertilizers and pesticides; in the construction industry, aluminum sulfate can be used to prepare waterproof materials and building materials.
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