Poly Aluminium Chloride (PAC)

[Al₂(OH)ₙCl₆₋ₙ]ₘ · CAS 1327-41-9

Water TreatmentHS 3824.9999Industrial Grade

Poly Aluminium Chloride (PAC) is a high-efficiency inorganic polymer coagulant widely used in mine wastewater and tailings treatment. It offers superior flocculation performance with lower dosage compared to traditional aluminum sulfate, ensuring clean water discharge and efficient solid-liquid separation.

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Technical Specifications

Parameter	Specification
Aluminium Oxide (Al₂O₃)	30.0% min (powder) / 10% min (liquid)
Basicity (Salt Base Degree)	40% - 90%
Water Insoluble Matter	0.5% max
pH (1% Solution)	3.5 - 5.0
Iron (Fe) Content	0.01% max
Arsenic (As) Content	0.0001% max
Heavy Metals (as Pb)	0.001% max
Appearance	Yellow / Light Brown Powder or Liquid

Applications

PAC is the preferred coagulant for mining and industrial water treatment:

Coagulation and flocculation in mine wastewater treatment
Removal of suspended solids and turbidity from tailings water
Treatment of acid mine drainage (AMD) before discharge
Sludge dewatering and thickening in mineral processing
Process water recycling in concentrator plants
Industrial wastewater treatment for heavy metal removal

Packaging & Delivery

25kg net weight per PP woven bag with PE liner (powder)
1000kg jumbo bags available for bulk powder
Liquid: 25MT / 30MT ISO tank or IBC containers
25MT per 20ft FCL (powder, palletized)
Custom packaging available upon request

Documentation

Certificate of Analysis (COA) per batch
Material Safety Data Sheet (MSDS)
Commercial Invoice & Packing List
Bill of Lading / Air Waybill
Certificate of Origin (if required)

Advantages in Mining Applications

Performance Benefits

Lower dosage requirement compared to traditional coagulants
Fast floc formation with large, dense flocs that settle quickly
Effective over a wide pH range (5.0 - 9.0)
Minimal sludge generation compared to aluminum sulfate
Works effectively in low-temperature water conditions

Handling & Storage

Store in a cool, dry area away from moisture
Keep containers sealed to prevent caking (powder form)
Prepare solution at 5-10% concentration before dosing
Shelf life: 12 months (powder) / 6 months (liquid)
Wear protective gloves and goggles when handling

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