Functions and Applications of Polyaluminum Chloride
Release time: 2025-07-14
💧The core role of water treatment
Efficient flocculation and purification
Through the triple action of electro-neutralization, adsorption bridge and precipitation net, PAC can quickly remove suspended solids, colloids, heavy metals (iron/cadmium/aluminum, etc.), radioactive substances and floating oil in water.
Drinking water treatment: make the turbidity of the effluent less than 0.5 NTU, to meet the national health standards.
Industrial wastewater: treatment of printing and dyeing wastewater (decoloration), oil-containing wastewater (oil-water separation), papermaking wastewater (COD reduction), etc., combined with polyacrylamide to improve the sedimentation efficiency.
Municipal sewage: accelerate sludge dewatering, reduce water content, and realize sludge reduction.
🏭 Multi-functional applications in the industrial field
Paper industry
As a neutral sizing agent, it can enhance the binding force of paper fibers and reduce the COD discharge of wastewater.
Mining and metallurgy
Promote ore flotation separation, and realize recycling of washing wastewater.
precision manufactured
Used as a precision casting hardener to improve the molding accuracy of the mold.
petrochemical engineering
Treatment of oil refining wastewater, separation of oil and water mixture; as a pollutant control agent in the production of synthetic resin.
🌾Other special purposes
Agricultural improvement
Inhibit the formation of soil crust and improve water permeability in arid areas.
Dairy and food
Anti-perspirant cosmetics: Core ingredients, constrict sweat glands to reduce secretion.
Food grade purification: high purity white PAC is used for sugar solution decolorization and drinking water treatment, in line with food safety standards (GB15892-2020).
🔬Summary of technical advantages
Function characteristics | Key effects |
Flocculation efficiency | It is 3-5 times higher than traditional aluminum salt, and the dosage is reduced by 30% |
thermal adaptability | Effective range-40℃~250℃ |
Broad spectrum decontamination | Remove heavy metals, organic matter and microorganisms simultaneously |
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