Poly Aluminium Chloride (PAC) is a high-performance coagulant used for water treatment and industrial wastewater purification.
Municipal water utilities, paper manufacturing plants, textile processors, and food and beverage producers in East Africa rely heavily on effective coagulation agents to meet strict water quality standards and environmental regulations.
Packaging
25kg bags, 200L drums
Supply Region
Kenya, East Africa
Supplier
Zenco Systems Ltd
Municipal water utilities, paper manufacturing plants, textile processors, and food and beverage producers in East Africa rely heavily on effective coagulation agents to meet strict water quality standards and environmental regulations. Poly Aluminium Chloride (PAC) stands out as a preferred coagulant in these sectors for enhancing water clarity and purification efficiency.
Poly Aluminium Chloride is a polymeric compound consisting of aluminum, hydroxide, and chloride ions. It acts as a powerful coagulant that quickly destabilizes suspended particles, organic matter, and colloids in water, enabling their rapid aggregation and removal. This makes it an essential chemical in treatment systems handling both potable water and various forms of industrial wastewater.
Zenco Systems Ltd supplies Poly Aluminium Chloride across Kenya, Uganda, Tanzania, and Rwanda, supporting industries that demand reliable coagulation performance to maintain process integrity, meet discharge standards, and optimize operational costs. Its commercial importance lies in its superior coagulation capacity compared to traditional chemicals, leading to reduced sludge volumes and faster settling times.
Poly Aluminium Chloride is a medium-basicity polymeric aluminum salt, generally represented by the formula Al_nCl_(3n-m)(OH)_m, where the ratio of hydroxide to chloride ions determines the basicity and performance characteristics. Unlike simple aluminum salts such as aluminum sulfate, PAC contains a pre-polymerized aluminum species, providing improved charge-neutralization of particulates in water.
The working mechanism of PAC in water treatment involves rapid hydrolysis upon dilution, releasing positively charged aluminum hydroxide species. These species neutralize the negative surface charge of suspended solids and colloidal particles, destabilizing them. Once destabilized, these particles agglomerate forming larger flocs that can settle quickly or be filtered out efficiently.
PAC’s yellowish granular or powder form is highly soluble in water, enabling easy preparation of stock solutions. It is favored for handling a wide pH range from about 5.5 to 8.5 without significant loss of coagulation efficiency, which makes it versatile across different water chemistries.
Performance-wise, PAC produces lower sludge volumes compared to aluminum sulfate, translating to less handling and disposal costs for treatment plants. It also exhibits rapid floc formation and stronger floc structures, reducing overall retention times. These factors improve throughput and lower operational expenses in municipal and industrial water treatment.
Zenco Systems Ltd ensures strict quality control and expert support for clients in East Africa. Buyers should verify key parameters such as polymerization degree, basicity, and purity as these directly influence dosing rates and efficacy. Confirmations with Zenco’s technical team help optimize the application tailored to specific water matrices and treatment goals.
In municipal water treatment, PAC is used to coagulate and remove suspended solids, turbidity, and organic contaminants. Typical dosing occurs during rapid mix stages to destabilize colloidal particles before sedimentation or filtration. PAC excels in producing clear, potable water with minimal residual aluminum levels, complying with national drinking water standards.
Industrial and municipal wastewater often contains suspended solids, colorants, and organic matter that complicate discharge. PAC facilitates aggregation of these pollutants, accelerating their removal. It is particularly effective in treating effluents from food processing, textiles, and chemical plants, reducing BOD and TSS prior to biological treatment or discharge.
Paper mills employ PAC as a retention and drainage aid. It enhances fiber flocculation, improving sheet formation and reducing fines in process water. By controlling water clarity and removing suspended solids in white water loops, PAC helps maintain product quality and reduces chemical consumption downstream.
In textile wastewater treatment, PAC is valued for its ability to remove dyes, suspended fibers, and other contaminants quickly. It improves solid-liquid separation efficiency and color removal, enabling compliance with discharge regulations while allowing water reuse within the plant.
PAC is used in food and beverage industries to treat process waters and wash waters containing organic load and suspended solids. Its coagulation action clarifies water streams, supports microbial control indirectly, and helps meet industry hygiene and effluent discharge requirements.
Looking for alternatives for a specific process? Browse the full Water Treatment range or ask our technical team which grade fits your application.
Because its polymerized aluminum species neutralize particle charges more effectively than simple salts, PAC achieves rapid flocculation even at lower doses. This efficiency reduces chemical consumption and treatment costs.
PAC produces denser, more compact sludge compared to aluminum sulfate, cutting volume and disposal costs. This benefit is crucial for treatment facilities managing sludge handling complexities.
PAC maintains coagulation performance across a broader pH range (approximately 5.5 to 8.5), offering greater flexibility in varying water qualities without frequent chemical adjustments.
The product forms stronger and larger flocs that settle quickly, minimizing retention times in sedimentation tanks and allowing higher throughput in water treatment plants.
Lower dosage requirements, less sludge, and faster processing translate directly into reduced operational expenses, enhancing the overall economic sustainability of treatment processes.
Poly Aluminium Chloride is supplied in durable 25kg bags and 200L drums conveniently designed for safe transport and storage in regional markets including Kenya, Uganda, and Tanzania. For larger industrial customers, bulk deliveries can be arranged through drum collections or tanker shipments depending on order size. Zenco Systems Ltd coordinates cross-border logistics to ensure timely and consistent supply throughout East Africa.
Standard formats: 25kg bags, 200L drums
Store PAC in a cool, dry environment away from moisture to prevent premature hydrolysis and caking. Ideal storage temperatures range between 10°C and 30°C. Use tightly sealed containers made of polyethylene or compatible materials; avoid metal containers that may corrode. When handling, wear protective gloves and goggles as the powder can cause skin and eye irritation. Shelf life under proper conditions is typically 12 months. Segregate from strong bases and incompatible chemicals to maintain product integrity.
Poly Aluminium Chloride is classified as an irritant. Direct contact with skin or eyes may cause irritation and redness. Operators should use personal protective equipment including gloves, goggles, and dust masks during handling. In case of skin contact, wash with plenty of water. If inhaled, move to fresh air immediately. Spillages should be contained and cleaned with care to avoid environmental contamination. Dispose of residues in accordance with local hazardous waste regulations. Refer to the Safety Data Sheet (SDS) provided by Zenco Systems Ltd for comprehensive safety protocols.
Poly Aluminium Chloride is primarily used as a coagulant in water treatment to remove suspended solids, colloids, and organic matter. It is also applied in industries like paper manufacturing, textiles, and food processing for water purification and wastewater treatment.
PAC is diluted to prepare a stock solution which is dosed into the raw water during rapid mixing. It neutralizes negatively charged particles, enabling them to form large flocs that settle quickly for removal in sedimentation or filtration stages.
PAC performs effectively within a pH range of approximately 5.5 to 8.5. Beyond this range, coagulation efficiency may diminish, requiring pH adjustment or alternative chemicals.
Zenco Systems Ltd supplies PAC in 25kg bags and 200L drums. For large-scale industrial users, bulk orders can be arranged via tankers or multiple drums with coordinated cross-border logistics across Kenya, Uganda, Tanzania, and Rwanda.
Store PAC in airtight containers in a cool, dry place away from moisture and heat. Ideal storage temperatures are between 10°C and 30°C. Proper storage prevents premature hydrolysis and caking.
PAC is an irritant to skin, eyes, and respiratory tract. Use gloves, goggles, and masks during handling. In case of contact, rinse thoroughly with water. Always consult the SDS for detailed safety procedures.
Yes, Zenco Systems Ltd supplies Poly Aluminium Chloride to Uganda, Tanzania, Rwanda, and other East African countries including Burundi and DRC, with reliable logistics support to ensure timely delivery.
Yes, PAC is used in certain food and beverage water treatment applications to clarify process water and ensure it meets hygiene and regulatory standards. Confirm food-grade suitability with the supplier.
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