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When it comes to selecting coagulants for water treatment, the choice between Polyaluminium Chloride (PAC) and Aluminum Sulfate (Alum) is a common consideration. Both are widely used, but PAC offers several distinct advantages that have made it the preferred choice for many modern water treatment facilities. As a dedicated manufacturer of water treatment chemicals, we aim to clarify these differences to help you make the best purchasing decision.
Aluminum Sulfate has been a staple in water purification for decades, effectively removing turbidity and color. However, its application often leads to the formation of significant amounts of sludge, posing disposal challenges and increasing operational costs. Polyaluminium Chloride, developed as an advanced alternative, addresses many of these limitations, offering improved efficiency and environmental benefits. When you buy PAC, you are often opting for a more modern and effective solution.
PAC generally exhibits superior performance in flocculation compared to Aluminum Sulfate. It hydrolyzes more readily and forms larger, denser flocs more rapidly. This quicker and more efficient floc formation means faster settling times and improved clarification of treated water. For facilities looking to enhance their water treatment capacity, choosing PAC from a reliable supplier is a strategic advantage.
A key differentiator lies in sludge production. Aluminum Sulfate tends to leave higher residual aluminum in treated water and generates larger volumes of sludge. This sludge requires extensive dewatering and disposal, which can be costly and environmentally burdensome. PAC, with its higher basicity and optimized chemistry, produces less sludge and lower residual aluminum, leading to reduced disposal costs and a more sustainable operation.
PAC is typically effective at lower dosages than Aluminum Sulfate. This not only reduces chemical consumption but also means less impact on the water's pH. While Aluminum Sulfate can significantly lower pH, requiring more alkali for neutralization, PAC has a milder effect on pH, often operating within a more favorable range for coagulation. This makes PAC a more user-friendly and cost-efficient option to buy.
From an economic standpoint, the lower dosage, reduced sludge disposal, and improved efficiency often make PAC a more cost-effective choice in the long run, despite potentially higher initial unit pricing. Environmentally, the reduction in sludge and residual aluminum contributes to cleaner water discharge and a lighter footprint. We, as a leading PAC manufacturer, are committed to supplying products that meet both performance and sustainability goals.
For businesses seeking to upgrade their water treatment processes, we invite you to buy Polyaluminium Chloride from us. Compare our high-quality PAC and experience the benefits firsthand. Contact our sales team for a personalized quote.
Manufacturing Facilities
Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
