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Aluminum Sulfate Grade

Aluminum Sulfate Grade

Product Titles:Aluminum sulfate Product Description CAS No: 10043-01-3 HS.Code:28332200 EINECS NO:233-135-0 Molecular Formula:Al2(SO4)3 Purity:Al2O3 content 15.8%-17 Grade Standard:Agriculture Grade, Food Grade, Industrial Grade Shape:Flake or Granular or Powder or Lump Appearance:Light green/grey or white flake,particle or massive crystallization. Grain size:15mm max(Flakys) Use: Treatment for the drinking water and water for industrial use. Packing:PP/PE 50kg/bag

Product details

Product Titles:Aluminum sulfate

Product Description

CAS No: 10043-01-3

HS.Code:28332200

EINECS NO:233-135-0

Molecular Formula:Al2(SO4)3

Purity:Al2O3 content 15.8%-17

Grade Standard:Agriculture Grade, Food Grade, Industrial Grade

Shape:Flake or Granular or Powder or Lump

Appearance:Light green/grey or white flake,particle or massive crystallization.

Grain size:15mm max(Flakys)

Use: Treatment for the drinking water and water for industrial use.

Packing:PP/PE 50kg/bag

 

1.Aluminum sulfate is a chemical compound that's sometimes referred to as sulfuric acid, aluminum salt, or cake alum. It has a wide variety of applications, including waste treatment, water purification, and paper manufacturing.

 

2.It is white lustrous crystalline, granular or powder, which ia stable in the air, soluble in water, and insoluble in ethanol, acidic solution.

 

3.It is usually used as flocculant, used for purification of drinking water and sewage treatment equipment, it is also used in other industries such as paper making, etc.

 

Specification:

1.Purity: 16% -17%

2.Appearance: Flakes,Powder,Granular,Lump,Liquid

3.Al2O3;15.8-17%min;Fe:0.5%max;PH:3.0min;Water Insolubles:0.15%max.

 

Chemical Properties

Aluminum sulfate is an odorless, white, or off-white crystalline solid or powder. The compound is made by adding aluminum hydroxide to sulfuric acid. It's hygroscopic, which means it has the ability to absorb and hold water molecules from the surrounding atmosphere. It's also water soluble and not volatile or flammable. Aluminum sulfate is extremely acidic. When combined in solution with water its pH can be less than two, which can make it capable of burning human skin and corroding metal.

 

Product Function

1.Water Treatment

One of the most important uses of aluminum sulfate is in water treatment and purification. When added to water, it causes microscopic impurities to clump together into larger and larger particles. These clumps of impurities will then settle to the bottom of the container or at least get large enough to filter them out of the water. This makes the water safer to drink. On the same principle, aluminum sulfate is also sometimes used in swimming pools to decrease the cloudiness of the water.

 

2.Dyeing Fabrics

Another one of the many uses of aluminum sulfate is in dyeing and printing on cloth. When dissolved in a large amount of water that has a neutral or slightly alkaline pH, the compound produces a gooey substance, aluminum hydroxide. The gooey substance helps dyes stick to the cloth fibers by making the dye water insoluble. The role of aluminum sulfate, then, is as a dye “fixer,” which means that it combines with the molecular structure of the dye and the fabric so the dye doesn’t run out when the fabric gets wet.

 

3.Paper Making

In the past, aluminum sulfate was used in making paper, although synthetic agents have mostly replaced it. The aluminum sulfate helped to size of the paper. In this process, aluminum sulfate was combined with rosin soap to change the absorbency of the paper. This changes the ink-absorbing properties of the paper. Using aluminum sulfate means that the paper was made under acidic conditions. Use of synthetic sizing agents means that acid-free paper can be produced. Acid-free paper does not break down as fast as paper sized with acid.

 

4.Household

Some of the most common uses of aluminum sulfate are found within the home. The compound is often found in baking soda, although there’s some controversy over whether it’s appropriate to add aluminum to the diet. Some antiperspirants contain aluminum sulfate because of its antibacterial properties, although as of 2005 the FDA does not recognize it as a wetness reducer. Finally, the compound is the astringent ingredient in styptic pencils, which are designed to stop small cuts from bleeding.

 

5.Gardening

Other interesting uses of aluminum sulfate around the house are in gardening. Because aluminum sulfate is extremely acidic, it’s sometimes added to very alkaline soils to balance the pH for plants. When the aluminum sulfate comes into contact with water, it forms aluminum hydroxide and a much diluted sulfuric acid solution, which alters the soil acidity. Gardeners who plant hydrangeas apply this property to change the flower color (blue or pink) of the hydrangeas since this plant is very sensitive to soil pH.

 

6.Tanning Leather

Leather is used in popular fashions, furniture and in some safety gloves and it must be tanned before it can be worked. Many tanners use a mixture of aluminum sulfate, sodium carbonate, sodium chloride and flour which is made into a paste and applied to the dried skins. The paste is allowed to sit on the skin for at least 24 hours before it is scraped off and reapplied. This is repeated several times. The sulfate acts as a preservative and prevents the skin from decaying.

 

 

Aluminium sulphate for water treatment

Powder aluminium sulphate

Specification Al2O3 15.8%min;Fe:0.5%-0.005%max;PH:3.0min;Water Insolubles:0.15%max;Size:Below 10mesh-100mesh min;Packing:50kg/bag PP/PE.

Detailed Selling Lead Description

1.produce according to People's Republic of China chemical industry standards HG/T2225-2001 industrial aluminum sulfate"

2.industrial aluminum sulfate in line with the requirements of the following table

 Industrial   liquid aluminum sulfate for the light green or light yellow liquid

Project   indicators



 item

Solid




type I

type II


First-class   product

qualified   product

first-class   product

Alumina content   Al2O3,% >

16

15.6

16

Iron Fe content,%            <

0.3

0.5

0.005

 Water   insoluble content,%  <

0.1

0.1

0.1

pH 1% aqueous   solution   >

3

3

3

 

 

Item name

Standard

Results

AL2O3

≥15.6%

15.8.%

Fe2O3

≤0.5 %

0.47%

PH value

≥3.0

3.1

Water insoluble   matter

≤0.1%

0.08%

Item name

Standard

Results

AL2O3

≥17%

17.20%

Fe2O3

≤0.005%

0.00%

PH value

≥3.0

3.1

 

 

 

Application:

1.Water treatment : It's used for purification of drinking water and wastewater treatment

 

2.paper industry : It helps in sizing of paper at neutral and alkaline pH, thus improving paper quality and sizing efficiency.

 

3.Textile Industry : It is used for color fixing in Naphthol based dyes for cotton fabri.

Other use: Leather tanning, lubricating compositions, fire retardants; decolorizing agent in petroleum,deodorizer; foodadditive; firming agent etc



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