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Diverse Product Line
Covering the fields of civil water and industrial water treatment, with excellent quality to meet diversified needs.
Efficient Production
With strong production bases and cooperative factories to ensure stable supply.
Certifications
We have NSF, REACH, BPR, ISO9001, ISO45001 and ISO14001, so the quality can be guaranteed.
Strict Quality Control
Each batch of goods is strictly tested to ensure that the products meet customers' standards.
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Aluminium Chlorohydrate is a high-purity, white to off-white, water-soluble powder commonly used in various industrial and consumer applications. It is a group of specific aluminium salts with the general formula AlₙCl₍₃ₙ₋ₘ₎(OH)ₘ.
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CAS Number: 7705-08-0
Appearance: Dark brown or black crystalline solid or flakes
Sample: Available
Packaging: Meet different industrial needs
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Applications:Food and beverage processing; wastewater treatment; chemical manufacturing; paper and pulp industry, etc.
Appearance: Milky white emulsion
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pH: 5.0-7.0
Solubility: Dispersible in water
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What is Aluminum Sulfate?
Aluminium sulfate is a salt with the formula Al₂(SO₄)₃. It is soluble in water and is mainly used as a coagulating agent in the purification of drinking water and wastewater treatment plants, and also in paper manufacturing.
Effective Coagulation
Aluminum sulfate has a high coagulation potential, efficiently removing suspended particles and impurities from water and wastewater.
Cost-Effective
Aluminium sulphate is economical for coagulation and clarification processes in water and wastewater treatment.
Versatility
Its ability to form liquid or solid solutions increases its versatility and adaptability to different industrial applications.
Environmental Sustainability
Aluminum sulfate aids in treating effluents, reducing the environmental impact of industrial processes and contributing to a more sustainable approach.
Improved Water Quality
It enhances potable water quality, ensuring that it meets safety standards and is suitable for consumption.
Enhanced Paper Quality
In paper production, aluminum sulfate's sizing properties improve paper quality, which is essential in printing and publishing.
Colorfast Textiles
For the textile industry, aluminum sulfate is critical in producing vibrant and long-lasting fabric colors.
Uses Of Aluminum Sulfate
Household Uses
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.
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.
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.
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.
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.
Top Industrial Uses For Aluminum Sulfate

As a mordant
Aluminum sulfate is used as a mordant in the dyeing process. A mordant is a substances that aids the dye with becoming printed on a fabric or paper. When mixed with water, aluminum sulfate creates the sludge-like aluminum hydroxide that aids textiles with the absorption of dye. It also makes the fabric's dye insoluble in water, so that the textile won't bleed. Although aluminum sulfate has been heavily used this way since since 2000 B.C., only organic dyes require mordants. Modern synthetic dyes do not.
As a coagulant
Aluminum sulfate's biggest industrial use is as a coagulant in water treatment plants. As treating wastewater and potable water is such an integral aspect of modern infrastructure, aluminum sulfate is used heavily.
When mixed with water, aluminum sulfate takes a number of forms with differing ionization levels, which can attract pollutants in the water and precipitate out, making them easier to be cleaned. This precipitation is known as sedimentation. The Safe Drinking Water Foundation explained that a majority of municipal treatment plants use aluminum sulfate. Using aluminum-based coagulants can lead to slightly higher aluminum levels in the processed water, but usually at safe levels.
In paper manufacturing
Like with dyeing, aluminum sulfate has largely been replaced in the world of paper making by modern developments, but it is still used in some paper's pulp. The acidic chemical has been used to remove impurities from the water used to make paper. It is also used in the pulp itself to help bind materials, neutralize charges and in rosin sizing. Although acid-free paper without Alum has become popular as a more durable option that is less likely to change colors.
Other uses
Aluminum sulfate has also been used to help control algae growth in ponds, lakes and waterways. Gardeners also use this acidic compound with plants to adjust the pH level particularly basic soil. It has also been used in firefighting foam, deodorant, baking soda, leather making, fertilizer, soaps, drugs and chemical catalysts.

Benefits Of Using Aluminium Sulfate In Industrial Processes
A mordant in dyeing industry
The use of aluminium sulfate as a mordant for dyeing has been known since the 2nd millennium BC. But, what is mordant exactly? So, mordant or dye fixative is a material that is used to open up the fibers pores in order to ease the colorant penetrate deeply thus it will be attached to the fibers. Mordant is usually applied on the fibers before or after the dye is being set. Once it converges with the dye, they create a complex bond thus the dye will be settled on the fibers.
A coagulant in water treatment industry
Evolving through thousands of years, It is no longer used only as a mordant. Moreover, the compound's biggest use on an industrial scale is to be a coagulating agent in water treatment plants. Clean and safe water is a fundamental demand to construct modern infrastructure, therefore aluminium sulfate is essential for the role.
Algae control in the agriculture industry
It is not uncommon to find devastating phenomena in lakes across the United States during autumn when it is covered by what seems like a strong green colorant. That is what is called an algae bloom. While it attracts people aesthetically, the events can turn to be toxic and damaging to the ecosystem in the lake water.
A sizing agent in paper manufacturing
Another use of aluminium sulfate in paper manufacturing besides the aid for dyeing, is to be a sizing agent. In this process, aluminium sulfate needs to be mixed with rosin soap in order to alter the absorbency of the paper. Moreover, it affects the ink-absorbing properties of the paper. The combination of aluminium sulfate in the making of paper results in acidic paper which can break down faster than acid-free paper.
Food industry
As a multipurpose compound, It is also commonly used in the food industry as a thickener and emulsifier. Specifically, aluminium Sulfate is known to get involved in clarifying and remineralize water for carbonated drinks, controlling the pH of alcoholic based drinks such as wine and liquor, purifying the sugar beet juices, act as a leavening agent in cake mix and many more. However, the compound is only recognized as safe when in use according to the good manufacturing practice.
Medical purposes
Aluminium sulfate's function as a coagulating agent is not only used for treating water but also for medical purposes, specifically for treating minor cuts and abrasions. Known for its support for high absorbency properties, aluminum Sulfate is often used to adsorb and precipitate protein antigens in solution, ensuing precipitation to improve vaccine immunogenicity. Other uses include being utilized in the preparation of aluminium acetate-based ear drops and deodorant due to its antibacterial features.
Additive in cement industry
One more application of this multifunction compound is being a typical additive for cement production in the construction industry. The aim is to increase the viscosity of the concrete mass, preventing the deposition of sediment and moreover the dripping from the wall. It is either in powder or liquid form of aluminium Sulfate to be mixed with the cement. Scientific research showed that the addition of the compound will shorten the setting time of cement, improve the drying shrinkage, and thus supporting the early strength of the construction.
Our Factory
The most important swimming pool chemicals are disinfectants, flocculants/clarifiers, and algaecides and the core elements are chlorine (or bromine), aluminum, and cationic polymers. Not too much. Pool chemistry looks simple. However, the subtle difference is that the chemical process takes place in extremely dilute solutions, which differs from the situation in most areas of chemistry. Therefore, some common conclusions will be biased or even wrong if applied directly to swimming pools. In addition, as pool managers are not usually professional chemists, we need to carefully consider all the links and possible problems to identify and solve the issues as quickly as possible. Sometimes subtle differences in water quality come into play, and all these factors mix together to create interesting puzzles. Every time we solve a problem, our team's understanding of the product and my understanding of chemistry go further.
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