Poly Aluminum Chloride
Product Overview
Poly Aluminum Chloride is an efficient inorganic polymer coagulant produced by Hongjian Chemical using advanced technology. It features low dosage, excellent coagulation effect, and wide adaptability to water quality. The product is widely used in drinking water treatment, industrial wastewater treatment, urban sewage treatment, and other fields.
❋ Aliases: PAC, Basic Aluminum Chloride
❋ English Name: Poly Aluminum Chloride
❋ Chemical Formula: [Al₂(OH)ₙCl₆₋ₙ]ₘ
❋ CAS Number: 1327-41-9
Key Properties: Excellent coagulation effect, wide pH adaptation range, low corrosiveness, low treatment cost
Classification by Form
Liquid PAC: Aluminum oxide content 10%-12%, convenient transportation, easy to use
Solid PAC: Aluminum oxide content 28%-32%, stable storage, low transportation cost
Classification by Grade
Drinking Water Grade: Very low heavy metal content, complies with national drinking water treatment standards
Industrial Grade: Suitable for industrial wastewater treatment, cost-effective
Drinking Water Grade Standards
Aluminum Oxide (Al₂O₃) Content: ≥29%
Basicity: 70%-85%
Water Insolubles: ≤1.5%
pH Value (1% aqueous solution): 3.5-5.0
Lead (Pb) Content: ≤0.001%
Cadmium (Cd) Content: ≤0.0002%
Mercury (Hg) Content: ≤0.00001%
Industrial Grade Standards
Aluminum Oxide (Al₂O₃) Content: ≥28%
Basicity: 70%-90%
Water Insolubles: ≤2.0%
pH Value (1% aqueous solution): 3.5-5.0
1. Drinking Water Treatment
Removes suspended solids and colloidal substances from water
Reduces water turbidity and color
Removes trace organic matter and heavy metals from water
2. Industrial Wastewater Treatment
Papermaking Wastewater: Removes suspended fibers, fillers, etc.
Dyeing Wastewater: Decolorization, removes organic matter
Electroplating Wastewater: Removes heavy metal ions
Food Processing Wastewater: Removes oils, proteins, and other organic matter
3. Urban Sewage Treatment
Enhances primary treatment efficiency
Improves biochemical treatment efficiency
Advanced treatment for phosphorus and nitrogen removal
4. Other Applications
Paper Sizing: Used as neutral sizing precipitant
Pharmaceutical Purification: Used for purification of certain drugs
Cosmetic Ingredients: Used as astringent
Technical Advantages
Fast floc formation, rapid sedimentation
Minimal increase in water salinity
Low corrosiveness to equipment
Wide applicable water pH range (5-9)
Economic Advantages
30%-50% reduction in dosage compared to traditional aluminum salts
20%-40% reduction in treatment costs
Less sludge production, reduces disposal costs
Operational Advantages
Easy to use, fast dissolution
Simple operation, low labor intensity
Low site requirements, easy to manage
Dosing Methods
Liquid Product: Direct dosing or diluted dosing
Solid Product: Dosing after preparing 5%-10% solution
Dosage Reference
Drinking Water Treatment: 5-30 mg/L
Industrial Wastewater Treatment: 20-100 mg/L
Urban Sewage Treatment: 10-50 mg/L
Precautions
Store in dry, ventilated, cool place
Avoid mixed storage with alkaline substances
Liquid products should be protected from freezing in winter
Technical Services
Provides water quality analysis and product selection advice
On-site debugging guidance, optimizes dosing process
Regular follow-ups, solves problems during use
Quality Assurance
Strictly implements ISO9001 quality management system
Provides test reports for each batch
Stable and reliable product quality
Supply Guarantee
Large-scale production, stable supply
Complete logistics distribution network
Quick response to emergency orders