Aluminum Chlorohydrate (ACH) solution is a highly polymerized solution of polyaluminum hydroxychloride. It is characterized by the highest aluminum concentration (23% Al2O3) in any commercially available aluminum based solution. In solid product the aluminum oxide content is 46%-50%. The basicity of Aluminum Chlorohydrate (ACH) at 83% is also the highest available for any polyaluminum based solution. Basicity refers to the degree of acid neutralization and also 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 or aluminum chloride, and even other polyaluminum products. Therefore, Aluminum Chlorohydrate (ACH) can offer both a higher level of performance 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 white powder. Specific gravity is 1.33-1.35g/ml (20°C). It is easy to dissolve in water; and solution shows 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 different grade ACH chemical has different statu. Some are liquid status, some are solid. That is easy to know why they have dffierent 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 flocculant in municipal water, drinking water, domestic water treatment. The products is produced by pure aluminum and high purity hydrochloric acid. ACH chemical conforms to the requirements of USP-34 Specification, which is internationally recognized as 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/or rubber are the materials of choice for piping and storage tanks. Metering pumps and other equipment that comes in contact with concentrated solutions of Aluminum Chlorohydrate (ACH) must also be constructed of acid resistant materials such as PVC, rubber, Teflon, ceramic and Hastolly C. No wetted parts should contain any 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?