|Product:||Iron-Free Aluminum Sulfate||Other Name:||Aluminum Sulfate|
|Appearance:||White Flakes, Lumps Or Powder||Applicaiton:||Paper Making, Water Treatment|
White Flakes Iron Free Aluminium Sulphate,
Industrial Reagent Iron Free Aluminium Sulphate,
10043-01-3 Aluminium Sulphate
Al2(SO4)3 Aluminum Sulfate Iron Free Aluminium Sulphate For Water Treatment
Aluminum sulfate (chemical formula: Al2(SO4)3) is a widely used industrial reagent and is often confused with alum. Aluminum sulfate is usually used as a flocculant for the purification of drinking water and sewage treatment equipment, and it is also used in the paper industry. Under natural conditions, aluminum sulfate hardly exists in the form of anhydrous salt. It forms a series of hydrates, of which aluminum sulfate hexadecahydrate is the most common.
|I Type:Low Ferrous/Low Iron||II Type:Non-Ferrous/Iron-free|
|First Class||Qualified||First Class||Qualified|
|Al2O3 % ≥||15.8||15.6||17||16|
|Ferrous(Fe )% ≤||0.5||0.7||0.005||0.01|
|Water Insolube % ≤||0.1||0.15||0.1||0.15|
|PH (1% aqueous solution) ≥||3||3||3||3|
|Heavy metal (Pb) %≤||0.002||0.002|
1. As a medium in the printing and dyeing of textiles. Because Al3+ and SO42- hydrolyze to produce aluminum hydroxide colloid, aluminum sulfate is often used for water purification. In water purification, it condenses impurities, making it easier to precipitate and filter.
2. When dissolved in a large amount of neutral or slightly alkaline water, it produces colloidal precipitation of aluminum hydroxide, Al(OH)3. When printing and dyeing cloth, the aluminum hydroxide colloid makes it easier for the dye to adhere to the plant fiber.
3. Aluminum sulfate is also used to adjust soil pH, because it hydrolyzes to produce aluminum hydroxide while producing a small amount of dilute sulfuric acid solution.
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