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Poly Aluminium Chloride

Poly Aluminium Chloride is used in water treatment and industrial applications for effective coagulation and sedimentation.

Poly Aluminium Chloride (PAC) belongs to the family of inorganic aluminium-based polymers known for their coagulating properties.

Packaging

25kg bags, 50kg bags, 200L drum

Supply Region

Kenya, East Africa

Supplier

Zenco Systems Ltd

What is Poly Aluminium Chloride?

Poly Aluminium Chloride (PAC) belongs to the family of inorganic aluminium-based polymers known for their coagulating properties. This chemical is primarily employed in water and wastewater treatment to remove turbidity by encouraging the aggregation of suspended particles into flocs that settle more easily. Its usage extends beyond water purification to sectors such as paper manufacturing, dye processing, and various industrial processes within the oil and gas category. In East Africa, industries across Kenya, Uganda, Tanzania, and neighboring countries rely on PAC for enhancing water quality and reducing treatment chemical costs.

This compound is commercially significant because it accelerates sedimentation and improves treatment efficiency relative to traditional coagulants like alum or ferric chloride. Buyers in these markets often seek suppliers who can guarantee consistent product quality and technical support that understands local water characteristics. At Zenco Systems Ltd, we provide Poly Aluminium Chloride tailored to the varied operational needs of customers in the East African industrial and municipal sectors.

Poly Aluminium Chloride: Detailed Product Overview

Poly Aluminium Chloride is chemically composed of polymeric aluminium species generally represented by the formula Aln(OH)mCl(3n-m), with variable degrees of polymerisation affecting performance. It appears as a yellowish free-flowing powder with high solubility in water, which enables rapid dissolution and immediate availability of active aluminium species for coagulation. During water treatment, PAC acts by charge neutralization, destabilizing colloidal particles and allowing them to collide and aggregate into larger flocs. This process significantly improves the removal of suspended solids, bacteria, and organic matter.

The medium basicity of PAC reflects the ratio of hydroxyl to chloride ions, influencing both floc size and settling velocity. Its polymeric nature provides higher molecular weight aluminium species compared to traditional coagulants, yielding stronger flocs that resist shear forces common in industrial mixing. Because of this, PAC often requires lower dosages to achieve equivalent or better clarity, translating into economic savings and reduced sludge volumes.

Its corrosion resistance and wider pH operating range (typically between 5 and 8.5) also make PAC preferable in various industrial water treatment contexts, including those in the oil and gas sectors. Procurement professionals prioritize technical consistency, packaging integrity, and on-time delivery when sourcing PAC for demanding applications. Zenco Systems Ltd supplies Poly Aluminium Chloride with documented quality, ensuring that technical performance matches operational requirements across Kenya, Uganda, Tanzania, Rwanda, and surrounding regions.

Applications and Uses of Poly Aluminium Chloride

Water Disinfection

In potable water treatment, Poly Aluminium Chloride is used as a primary coagulant to reduce turbidity and remove pathogens by aggregating suspended solids and bacteria. It provides faster floc formation compared to conventional coagulants, improving filtration efficiency and enabling downstream disinfection processes to be more effective. Typical dosing depends on raw water characteristics but often ranges between 5 to 20 mg/L.

Wastewater Coagulation

For industrial and municipal wastewater treatment, PAC enhances sedimentation of organic and inorganic suspended solids. It effectively reduces chemical oxygen demand (COD) and suspended solids, enabling safer discharge or reuse. PAC is favored due to lower sludge production and improved handling properties, which reduce both operational and disposal costs.

Paper Manufacturing

In paper production, PAC plays a role in improving water clarification and retention aids. It helps remove fine particles and color substances from process water, improving the brightness and quality of the paper product. Its flocculating effect also reduces chemical consumption and enhances recovery of fiber and fillers.

Dye Processing

Poly Aluminium Chloride is utilized in dye and textile industries for wastewater treatment to coagulate dye particles and suspended solids. This treatment reduces color intensity and chemical load before discharge or reuse, satisfying environmental regulations. PAC's effectiveness at varied pH and temperature conditions suits the often-variable effluent streams in these sectors.

Mining Water Treatment

In mining operations, PAC is used to treat process and tailings water containing suspended solids and heavy metals. Its coagulating ability ensures clearer water for reuse or safer environmental discharge. The chemical's robust performance under harsh conditions common in mining effluents reduces the need for secondary treatment chemicals.

Food and Beverage Processing

Food and beverage industries use PAC for clarifying process water and wastewater. It helps remove suspended impurities that can affect product quality and regulatory compliance. Its rapid floc formation reduces treatment cycle time, improving operational efficiency without introducing harmful residual chemicals.

Looking for alternatives for a specific process? Browse the full Oil & Gas range or ask our technical team which grade fits your application.

Benefits and Advantages

Efficient Coagulation and Flocculation

Poly Aluminium Chloride achieves faster and stronger floc formation due to its polymeric aluminium species. This efficiency reduces settling times and clarifies water more effectively than conventional coagulants, enabling treatment plants to operate with higher throughput and reduced downtime.

Lower Chemical and Sludge Handling Costs

Because PAC neutralizes charges rapidly and forms dense flocs, it requires lower doses compared to alum or ferric salts. Less chemical consumption means less sludge generation, which lowers disposal costs and reduces environmental impact, benefitting industrial and municipal clients alike.

Wide pH Operating Range and Stability

PAC functions effectively across a broad pH range (5-8.5), making it adaptable to varying water qualities. Its polymeric composition also improves storage stability and reduces corrosivity, minimizing maintenance concerns and ensuring reliable performance in challenging industrial environments.

Improved Water Quality Outcomes

By targeting colloidal and microbial contaminants, PAC improves clarity, reduces organic load, and enhances downstream disinfection processes. This results in safer potable water production and cleaner industrial effluents meeting regulatory standards.

Packaging Information

Poly Aluminium Chloride is supplied in practical packaging formats suited for diverse industrial users across Kenya, Uganda, and Tanzania. Standard options include 25 kg and 50 kg bags for small to medium scale operations, along with 200 L drums preferred by larger users seeking easier handling and storage. Bulk deliveries and specialized packaging arrangements can be discussed to accommodate regional logistics and volume requirements, ensuring secure transportation and product integrity.

Standard formats: 25kg bags, 50kg bags, 200L drum

Storage and Handling

Store Poly Aluminium Chloride in a cool, dry environment away from moisture and incompatible substances like strong bases or reducing agents. Use sealed, moisture-resistant containers to prevent caking and degradation. Prolonged exposure to moisture can reduce product effectiveness by premature hydrolysis. Handling should employ appropriate personal protective equipment including gloves and eye protection due to the chemical's corrosive nature. Shelf life typically extends up to 12 months under ideal conditions; however, verify specific batch stability with supplier documentation.

Safety Information

Poly Aluminium Chloride is corrosive and requires careful handling to avoid skin and eye contact. Protective gloves, safety goggles, and appropriate clothing are essential during handling operations. In case of contact, rinse affected areas immediately with copious water and seek medical attention if irritation persists. The powder can be irritating if inhaled; therefore, use respiratory protection in dusty environments. Disposal of unused chemical and containers must comply with local regulations to minimize environmental impact. Consult the Safety Data Sheet (SDS) from Zenco Systems Ltd for full hazard details and emergency procedures.

Full hazard detail is available in the technical data sheet.

Technical Specifications

GradeConfirm with supplier
PurityConfirm with supplier
DensityApproximately 1.32 g/cm³ (solid form)
FormulaAln(OH)mCl(3n-m)
Packaging25kg bags, 50kg bags, 200L drum
AppearanceYellowish free-flowing powder
CAS Number1327-41-9
SolubilityHighly soluble in water
Chemical NamePoly Aluminium Chloride
pH (1% solution)4.0 - 5.5 typical
Storage ConditionsStore in dry, sealed containers away from moisture

Applications

  • Water disinfection
  • Wastewater coagulation
  • Paper manufacturing
  • Dye processing
  • Mining water treatment
  • Food and beverage processing

Technical Data Sheet (TDS)

GradeConfirm with supplier
PurityConfirm with supplier
DensityApproximately 1.32 g/cm³ (solid form)
FormulaAln(OH)mCl(3n-m)
Packaging25kg bags, 50kg bags, 200L drum
AppearanceYellowish free-flowing powder
CAS Number1327-41-9
SolubilityHighly soluble in water
Chemical NamePoly Aluminium Chloride
pH (1% solution)4.0 - 5.5 typical
Storage ConditionsStore in dry, sealed containers away from moisture

Product Features

  • - Medium basicity inorganic polymer
  • - Yellowish free-flowing powder
  • - High solubility in water
  • - Effective charge neutralizer
  • - Forms dense, fast-settling flocs
  • - Stable over broad pH range (5-8.5)

Industries Served

  • - Municipal water utilities
  • - Paper and pulp manufacturing
  • - Textile and dye processing
  • - Mining and mineral processing
  • - Food and beverage production
  • - Oil and gas water treatment

Product Overview

Frequently Asked Questions About Poly Aluminium Chloride

What is Poly Aluminium Chloride used for?

Poly Aluminium Chloride is primarily used in water and wastewater treatment as a coagulant to remove suspended solids and reduce turbidity. It also finds applications in paper manufacturing, dye processing, mining water treatment, and food and beverage industries.

How should I dose Poly Aluminium Chloride for water treatment?

Dosing depends on water characteristics but typically ranges from 5 to 20 mg/L for potable water treatment. Process optimization through jar tests is recommended to determine the exact dosage for maximal coagulation efficiency.

Is Poly Aluminium Chloride food-grade safe?

Poly Aluminium Chloride used in potable water treatment meets stringent quality standards; however, confirm with supplier if food-grade certification is required for specific applications, especially in food and beverage processing.

What packaging sizes are available for Poly Aluminium Chloride at Zenco Systems Ltd?

We supply Poly Aluminium Chloride in 25 kg and 50 kg bags and 200 L drums. For large-scale users or distributors in Kenya, Uganda, and Tanzania, customized bulk packaging options may be available upon request.

Do you supply Poly Aluminium Chloride outside Kenya?

Yes, Zenco Systems Ltd supplies Poly Aluminium Chloride across East Africa, including Uganda, Tanzania, Rwanda, Burundi, and other neighboring countries, with tailored logistics solutions for timely delivery.

How should I store Poly Aluminium Chloride?

It should be stored in a cool, dry place inside sealed containers to avoid moisture contact that can degrade product quality. Avoid exposure to strong bases and reducing agents.

What safety precautions are necessary when handling Poly Aluminium Chloride?

Wear protective gloves, goggles, and masks to prevent skin, eye, and respiratory irritation. Handle in well-ventilated areas and follow safety instructions on the SDS.

Can Poly Aluminium Chloride be used in oil and gas industry water treatment?

Yes, PAC is used in the oil and gas sector for treating produced water and process water due to its efficient coagulation and adaptability to harsh conditions.

What is the shelf life of Poly Aluminium Chloride?

Under recommended storage conditions, the shelf life is generally up to 12 months. Confirm specific batch stability with the supplier's certificate of analysis.

Does Poly Aluminium Chloride generate more sludge than alum?

No, PAC typically produces less sludge compared to alum due to its higher coagulation efficiency and polymeric structure leading to denser flocs and lower chemical consumption.

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