Product Description
Industrial-grade aluminium sulfate, chemically denoted by the formula Al2(SO4)3, commonly occurs in a hydrated crystalline structure with 14 to 18 water molecules. The most frequently encountered hydrate is aluminium sulfate octadecahydrate (Al2(SO4)3·18H2O), which typically presents as colorless, transparent block-shaped crystals or a fine crystalline powder under normal conditions. However, due to unavoidable trace impurities like iron, manganese, or other metallic ions introduced during industrial manufacturing, the substance may occasionally exhibit slight discolorations, such as grayish-white, pale yellow, or light green hues. Despite these minor color differences being visually noticeable, they do not significantly impact the compound's core chemical properties or its industrial utility in most practical applications.
Product Parameters
| ITEMS |
UNIT |
QUALITY STANDARD |
RESULTS
|
| Al2O3 |
% |
≥15.8 |
16.35 |
| Fe |
% |
≤0.5 |
0.02 |
| PH Value |
% |
≥3.0 |
3.2 |
| Pb |
ppm |
≤10 |
0.3 |
| Matter Insoluble In Water |
% |
≤0.2 |
0.1 |
| Appearance |
White granules/Powder/Flake |
Conclusion
|
Qualified |
Application
In water treatment, aluminium sulfate plays a key role as an efficient water purifier, utilizing its distinct chemical properties to drive a complex purification mechanism. When dissolved in water, the compound triggers a hydrolysis reaction, generating aluminium hydroxide colloidal particles with strong adsorptive powers. These colloids, featuring a large specific surface area and positive charge, actively engage with various suspended materials in the water, including fine silt, dissolved organic macromolecules, and microbial cells like bacteria. Through a blend of electrostatic attraction, van der Waals forces, and bridging effects, the colloids prompt the aggregation of these dispersed particles, causing them to merge into increasingly larger flocs.As these flocs grow in size and mass, they become increasingly susceptible to gravitational settling, eventually separating from the water column to form a sediment layer. This multi - step process not only clarifies the water by removing visible turbidity but also effectively reduces organic loading and microbial counts, thereby achieving comprehensive water quality improvement that meets the requirements for various applications, from municipal water supply to industrial wastewater treatment.
The mechanism highlights the synergistic interplay between chemical hydrolysis and physical aggregation, establishing aluminium sulfate as a cornerstone in modern water treatment technologies.In the paper manufacturing process, aluminium sulfate serves as a sizing agent, playing a crucial role in controlling the penetration of ink or coatings. By forming a protective layer on the paper surface, it significantly enhances the paper's water resistance, as well as its writing and printing performance, making it particularly suitable for cultural papers and packaging papers. Additionally, it functions as a retention and drainage aid, facilitating the even distribution of fibers and fillers in the paper sheet, thereby improving paper strength. Simultaneously, it accelerates the filtration rate of pulp, boosting production efficiency.In the chemical industries, aluminium sulfate acts as a catalyst and catalyst support, participating in catalytic cracking reactions during petroleum refining and serving as a raw material for preparing other catalysts, such as molecular sieves. As a intermediate, it is added to certain drugs like antiperspirants and astringents, taking advantage of its astringent and antibacterial properties. Moreover, when mixed with sodium bicarbonate, it becomes a key component of foam fire extinguishers, as the reaction between aluminum ions and bicarbonate ions generates carbon dioxide foam, effectively extinguishing oil - based fires.
Packaging & Shipping
Packing: Package in 25/50 bag, also accpet customer OEM packing.
Storage: Keep in a cool, dry, dark location in a tightly sealed container or cylinder.
Certifications and Reviews
Company Profile
Shandong Jiuchong Chemical Company Limited was founded in 2016, which is located in Weifang City, Shandong Province, China. We have 228 square meters of office space. Now Jiuchong chemical is a large modern international chemical enterprise with more than 28 series. Since our establishment, the company has gradually established and improved a sound supply chain system, quality monitoring system and service system, ensuring products quality and service.
At the same time, relying on our own geographical location and resource advantages, our company is committed to the optimization of a variety of chemical supply chain, including magnesium chloride, sodium metabisulfite, sodium bicarbonate, calcium chloride, magnesium sulfate, polyaluminium chloride, aluminium sulfate, industrial salt, soda ash etc. Our products are sold well in 288 domestic cities and more than 36 foreign countries. Now the company has won the praise and trust of domestic and foreign customers. Based on stable quality and output, good team service and staff efforts, we will continue to develop domestic and foreign markets.
Jiuchong chemical takes "integrity, innovation and development" as the concept, puts integrity in the priority position in serving customers, and guarantees high quality products and satisfactory cooperation for customers experience. Your satisfaction is our driving force. Quality is the soul of enterprise and that is what we have always done. In the future, Shandong Jiuchong Chemical Company Limited hopes to build a brilliant tomorrow with you!
Q: How long is your delivery time?
A: It usually takes 7-10 days if the goods are in stock, or 10-15 days if the goods are not, depending on the quantity ordered.
Q: Can you support OEM ?
A: Yes, we can make products as your request.
Q: Do you provide samples?
A: Yes, we could offer the sample for free by requests but are not responsible for the freight cost.
Q: What payment terms do you accept?
A: We accept T/T, L/C at sight;
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