INDUSTRY COMPONENT

Aluminum hydroxide polymer

Aluminum hydroxide polymer is a key component in industrial-grade polyaluminum chloride coagulants used for water purification and wastewater treatment.

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Component Specifications

Definition
Aluminum hydroxide polymer is a complex inorganic polymer formed through the controlled hydrolysis and polymerization of aluminum salts. It serves as the active coagulating agent in polyaluminum chloride (PAC) formulations, characterized by its high positive charge density and large molecular structure that enables efficient destabilization of colloidal particles, organic matter, and suspended solids in water treatment processes.
Working Principle
The aluminum hydroxide polymer operates through charge neutralization and adsorption-bridging mechanisms. Its high cationic charge neutralizes negatively charged particles in water, while its polymeric structure bridges between destabilized particles to form larger flocs that can be easily removed through sedimentation or filtration.
Materials
High-purity aluminum hydroxide with controlled polymerization degree, typically containing 17-24% Al₂O₃ content, with optimized basicity (OH/Al ratio) between 1.5-2.5 for optimal coagulation performance.
Technical Parameters
  • Density 1.19-1.33 g/cm³
  • pH Range 3.5-5.0
  • Viscosity 20-100 mPa·s
  • Heavy Metals <10 ppm
  • Insoluble Matter <0.5%
  • Al₂O₃ Content 17-24%
  • Basicity (OH/Al Ratio) 1.5-2.5
Standards
ISO 9001, ISO 14001, DIN 19603, AWWA B408

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Aluminum hydroxide polymer.

aluminum hydroxide polymer polyaluminum chloride PAC coagulant water treatment chemical industrial coagulant wastewater treatment flocculation agent Aluminum hydroxide polymer in Chemical Manufacturing

Parent Products

This component is used in the following industrial products

Industrial Grade Polyaluminum Chloride Coagulant

High-purity inorganic polymer coagulant for industrial water treatment.

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Engineering Analysis

Risks & Mitigation
  • Corrosive to metals at high concentrations
  • Dust inhalation during handling
  • Potential aluminum residue in treated water if overdosed
FMEA Triads
Trigger: Incomplete polymerization during manufacturing
Failure: Reduced coagulation efficiency and unstable floc formation
Mitigation: Implement strict process control with real-time monitoring of reaction parameters and regular quality testing
Trigger: Storage at improper temperature or humidity
Failure: Polymer degradation and loss of effectiveness
Mitigation: Maintain storage at 5-30°C in sealed containers with controlled humidity below 65%

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±2% on Al₂O₃ content, ±0.2 on basicity ratio
Test Method
Titration for Al₂O₃ content, pH measurement for basicity, turbidity removal efficiency testing per ISO 7027

Buyer Feedback

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Frequently Asked Questions

What is the difference between aluminum hydroxide polymer and traditional aluminum sulfate coagulants?

Aluminum hydroxide polymer offers higher charge density, wider pH operating range, lower dosage requirements, reduced sludge production, and better performance in cold water compared to traditional aluminum sulfate.

How does basicity affect aluminum hydroxide polymer performance?

Higher basicity (OH/Al ratio) increases polymer size and charge density, improving coagulation efficiency but may reduce stability. Optimal basicity balances performance with product shelf life.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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