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[Chemical Knowledge]：What are the upstream raw materials for ammonium alum? What do the downstream products contain?

Read： 291 Time：13months ago Source：Transform the World with Simplicity

As a common chemical raw material, ammonium alum has been widely used in the industrial field. Its upstream and downstream related products are numerous and involve many fields. The following will detail the upstream and downstream associated products of ammonium alum.

upstream products:

1. Aluminum sulfate: Aluminum sulfate is one of the main raw materials of ammonium alum, used to prepare ammonium alum. Aluminum sulfate can be obtained by acidolysis of bauxite, alunite and other ores.
2. Ammonium sulfate: Ammonium sulfate is another main raw material of ammonium alum, which provides the required nitrogen element for ammonium alum. Ammonium sulfate can be produced by the neutralization reaction of synthetic ammonia and sulfuric acid.

downstream products:

1. Polyaluminum chloride (PAC): ammonium alum can be used as a raw material for the preparation of polyaluminum chloride. Polyaluminum chloride is a widely used inorganic polymer flocculant, commonly used in water treatment, papermaking, printing and dyeing and other industries.
2. ammonium aluminum sulfate: ammonium alum can be used to prepare ammonium aluminum sulfate, it is a food additive, commonly used as a leavening agent and stabilizer.
3. Aluminum nitride (AlN): Ammonium alum can be used as a raw material for the preparation of aluminum nitride. Aluminum nitride is a kind of ceramic material with excellent performance, which has the characteristics of high hardness, high thermal conductivity and high electrical insulation, and can be used to manufacture high-temperature structural parts and electronic devices.
4. Aluminum hydroxide: Ammonium alum can be used to prepare aluminum hydroxide. As an inorganic flame retardant, aluminum hydroxide is widely used in plastics, rubber, fabric and other fields.

From the above introduction, it can be seen that there are many upstream and downstream related products of ammonium alum, involving water treatment agents, food additives, ceramic materials, flame retardants and other fields. The production and application of these products are closely related to ammonium alum, which together constitute the industrial chain in the field of raw materials for chemical production.

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