Polyaluminium Chloride PAC Poly Aluminium Chloride 18% 26% 28% 30% Flocculant

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Longkey Chemistry Limited

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1327-41-9
1327-41-9
[Al2(Oh)Ncl6-N]M
233-140-8
Specific Reagents
Water Treatment
Standard
Industry
Extractive
Fine Chemicals
Industry, Environmental Protection, Agriculture
Inorganic Reagent
LONGKEY
Polybag
>98%
China
391231
Product Description

Polyaluminium Chloride (PAC) - Solid Powder

Chemical Formula: [Al2(OH)nCl6-n]m
CAS No.: 1327-41-9 (solid form), 7446-70-0 (base compound)

 

Key Specifications (Industrial Grade)

PropertySpecification
AppearanceYellow to brown fine powder or granules
AlO Content28%-32%
Basicity (B-value)50%-90%
pH (1% solution)3.5-5.0
Water Insolubles≤0.6%
Moisture Content≤3%
Arsenic (As)≤0.0001%
Heavy Metals (as Pb)≤0.0005%
 

Usage Guidelines

  1. 1.Dissolution:
    • Dilute powder in water (recommended ratio: 1:10 to 1:20 depending on application).
    • Stir vigorously to achieve complete dissolution (avoids clumping).
  2. 2.Dosage:
    • Drinking Water: 5-20 mg/L (adjust based on turbidity and target residual Al³ levels).
    • Wastewater: 50-200 mg/L (higher for industrial effluents with high COD).
  3. 3.Compatibility:
    • Works synergistically with polyacrylamide (PAM) for enhanced flocculation.
 

Advantages of Solid vs. Liquid PAC

FeatureSolid PACLiquid PAC
StorageLonger shelf life (2 years)Shorter stability (6 months)
TransportationLower cost (no water weight)Higher freight costs
Dosing FlexibilityRequires dissolution stepReady-to-use
AlO ConcentrationHigher (30%±)Lower (10%-12%)
 

Safety & Handling

  • Risks:
    • Dust Inhalation: Wear N95 masks to avoid respiratory irritation.
    • Skin/Eye Contact: May cause irritation (use gloves and goggles).
  • Storage:
    • Keep in dry, ventilated areas (<30°C) away from alkalis and moisture.
    • Avoid direct sunlight to prevent degradation.
  • GHS Label:
    • H315: Causes skin irritation.
    • H319: Causes serious eye irritation.




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