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flocculant coagulant ACH aluminum chlorohydrate Heavy Metal Ions removal Wastewater Treatment Agent
Chemical Formula: Al2(OH)5Cl·2H2O
Molecular weight: 210.48g/mol
CAS: 12042-91-0
HS NO.: 2827320000
Physical and chemical properties:
Inorganic macromolecular compound; white powder, its solution shows colorless or tawny transparent liquid and specific gravity is 1.33-1.35g/ml (20°C), easily dissolved in water, with corrosion.
Description:
ACH is a highly polymerized solution of polyaluminum hydroxychloride. It is characterized by having the highest aluminum concentration(23% Al2O3) of any commercially available aluminum based solution. Solid product, the aluminum oxide content is 46% ~ 50% .The basicity of 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 ACH is. The highly polymerized aluminum species in ACH have much higher cationic charges than the aluminum in standard salts such as alum or aluminum chloride, and even other polyaluminum products. Therefore, 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 ACH will be negligible. ACH also effectively coagulates over a broader pH range (as high as5- 9.5) versus traditional metal salts and lower basicity PACl.





Use and advantages:
1) Urban drinking water treatment
ACH is used as flocculant in municipal water,drinking water,domestic water treatment. The product is produced by pure aluminum and high purity hydrochloric acid, This product conform to the requirements of USP-34 Specification,Is internationally recognized as drinking water treatment agent.
Switch to high aggregate of aluminium recognized benefits
- Improve turbidity removal capacity, improve flocculation speed.
- Enhance the TOC (total organic carbon) removal.
- Reduce turbidity filter, shorten the filter travel and improve production ability
- Improve eliminatethe fluorine in addition to cadmium in addition to radioactive pollution in addition to floating oil ability.
- Reduce reagent use, Simplify the operation process, Eliminate pH value influence. Don't add second electrolytes.
- Reduce tap water production cost.
2) The urban sewage and industrial wastewater treatment
- Increase decoloring function
- Clean up TSS (the total suspended solids)
- Remove heavy metals such as lead (Pb), cadmium (Cd) and mercury(Hg) chromium(Cr+6)
- Removal Phosphorus, Fluoride and oily in the suspended solids
- Reduce 50% of sludge
- Reduce reagent use, Simplify the operation process, Eliminate pH value influence. Don't add second electrolytes.Reduce tap water production cost.
- Effectively reduce the COD, BOD,TOC white water
4) Cosmetic Raw Materials
- Be used as the ingredient for pharmaceuticals and antiperspirant,and the special cosmetic in diary chemical industry .









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