Aluminum Chlorohydrate (ACH) solution is a highly polymerized poly aluminum hydroxy chloride solution. It is characterized by the highest aluminum concentration (23% Al2O3) in any commercially available aluminum-based solution. In solid products, the aluminum oxide content is 46%-50%.
The basicity of Aluminum Chlorohydrate (ACH) at 83% is also the highest available for any poly aluminum-based solution.
Basicity refers to the degree of acid neutralization and represents a measure of how highly polymerized the aluminum in Aluminum Chlorohydrate (ACH) is.
The highly polymerized aluminum species in Aluminum Chlorohydrate (ACH) have much higher cationic charges than the aluminum in standard salts such as alum, aluminum chloride, and even other poly aluminum products. Therefore, Aluminum Chlorohydrate (ACH) can offer a higher performance level and lower overall dosages.
The high degree of acid neutralization (basicity) also means that the effect on pH when applying Aluminum Chlorohydrate (ACH) will be negligible. Aluminum Chlorohydrate (ACH) also effectively coagulates over a broader pH range (as high as 5-9.5) versus traditional metal salts and lower basicity ACl.
Aluminum Chlorohydrate 50 is a hydrated aluminum chloride solution with a concentration of 50%. It is liquid. The components are aluminum chlorohydrate and water. They are almost 1:1.
Aluminum Chlorohydrate (ACH) is an inorganic macromolecular compound as a white powder. Specific gravity is 1.33-1.35g/ml (20°C). It is easy to dissolve in water, and the solution shows a colorless or tawny transparent liquid with corrosion. You can find more aluminum chlorohydrate physical properties in the specifications table.
This table shows different grade aluminum chlorohydrate physical properties. The other grade ACH chemical has a different state. Some are liquid status, and some are solid. That is easy to know why they have different physical properties.
|Grade||Water Treatment Grade (Solution)||Cosmetics Grade (Solution)||Water Treatment Grade (Powder)||Cosmetics Grade (Powder)|
|Solubility||Soluble in water||Soluble in water||Soluble in water||Soluble in water|
|Insoluble Substance||0.1% Max.||0.01% Max.||0.1% Max.||0.01% Max.|
|SO42-||250ppm Max.||—||≤500ppm Max.||—|
|Fe||100ppm Max.||75ppm Max.||200ppm Max.||150ppm Max.|
|Cr6+||1.0ppm Max.||1.0ppm Max.||2.0ppm Max.||2.0ppm Max.|
|As||1.0ppm Max.||1.0ppm Max.||2.0ppm Max.||2.0ppm Max.|
|10.0ppm Max.||5.0ppm Max.||20.0ppm Max.||5.0ppm Max.|
|Ni||1.0ppm Max.||1.0ppm Max.||2.0ppm Max.||2.0ppm Max.|
|Cd||1.0ppm Max.||1.0ppm Max.||2.0ppm Max.||2.0ppm Max.|
|Hg||1.0ppm Max.||1.0ppm Max.||1.0ppm Max.||1.0ppm Max.|
|pH Value 15% (W/W) (20°C)||3.5-5.0||4.0-4.4||3.5-5.0||4.0-4.4|
|Permeation rate 15%||>90%||>90%||—||—|
|Particle Size||—||—||100％ pass 100mesh,|
99％ pass 200mesh
|100％ pass 200mesh, 99％ pass 325mesh|
Aluminum Chlorohydrate (ACH) is used as a flocculant in municipal, drinking, and domestic water treatment. The products are produced from pure aluminum and high-purity hydrochloric acid. ACH chemical conforms to the requirements of USP-34 Specification, which is internationally recognized as a drinking water treatment agent.
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Solution: 1000L IBC, 200L plastic drums, or 1,4000-2,4000L flexitank.
Solid powder: 25kg fiber drums/multiwall paper bags.
Packaging and handling: Storage tanks and piping for Aluminum Chlorohydrate (ACH) solutions should be constructed of materials recommended for corrosive products.
FRP, PVC, HDPE, and rubber are the materials of choice for piping and storage tanks.
Metering pumps and other equipment with concentrated Aluminum Chlorohydrate (ACH) solutions must also be constructed of acid-resistant materials such as PVC, rubber, Teflon, ceramic, and Hastolly C.
No wetted parts should contain metals such as carbon steel, stainless steel, brass, or aluminum.
Slightly corrosive, non-toxic, non-dangerous article and non-contraband. Safety protection and processing Aluminum Chlorohydrate (ACH) solution. While on the job, wear goggles, long sleeves rubber gloves.
General transportation method.
Aluminum Chlorohydrate, ACH, Aluminium Chlorohydrate, Aluminum chloride hydroxide, High Performance Coagulant, ACH chemical.
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Is it safe for human skin? You can find the answer in this post — Is Aluminum Chlorohydrate Safe For Human Skin?