PDADMAC Polymer for Water Treatment 

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High-Quality PDADMAC Polymer for Water Treatment | Feymer Technology

High-Quality PDADMAC Polymer for Water Treatment | Feymer Technology

PDADMAC polymer, or Polydiallyldimethylammonium chloride, is a cationic polyelectrolyte widely used in water treatment, papermaking, and various industrial processes. At Jiangsu Feymer Technology Co., Ltd., we produce premium-grade PDADMAC polymer that excels in flocculation, coagulation, and sludge dewatering. Our product is manufactured under stringent quality control, ensuring high charge density and consistent molecular weight, leading to superior performance in removing suspended solids, turbidity, and organic contaminants. As a listed company on the STAR Market (688350) and with a commitment to sustainable solutions, Feymer Technology offers a reliable supply chain with three production bases across China. Our PDADMAC polymer is ideal for municipal wastewater treatment, industrial effluent treatment, and process water clarification.
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Advantages of the product

Superior Charge Density & Purity

Our PDADMAC polymer is synthesized using advanced techniques to achieve high cationic charge density and low residual monomers. This results in superior flocculation performance, requiring lower dosages to achieve desired clarity and settling rates. The high purity minimizes secondary pollution and ensures compliance with stringent discharge regulations. With consistent specification from batch to batch, our polymer delivers predictable results, enabling clients to optimize their treatment processes and reduce overall operational costs. The product’s powerful neutralization capabilities are effective across a broad pH range, making it versatile for numerous applications.

Versatile Application Across Industries

Feymer’s PDADMAC polymer exhibits excellent adaptability, functioning effectively in various water and wastewater treatment scenarios, including raw water clarification, industrial effluent treatment, and sludge dewatering. It also performs well as a retention and drainage aid in papermaking, and as a process chemical in textile, oil and gas, and fine chemical industries. Our product can be used as a primary coagulant or in conjunction with inorganic coagulants to enhance performance. This versatility allows clients to simplify their chemical inventory and procurement processes, while our technical team can provide guidance on the most effective application methods for specific systems.

Sustainable Production & Reliable Supply

Committed to environmental stewardship, Feymer Technology employs green synthesis routes and waste reduction practices in our manufacturing processes. Our production facilities are strategically located in Jiangsu and Anhui, ensuring proximity to raw materials and ease of logistics. As a listed company, we maintain large inventory capacities to meet urgent orders and long-term contracts, minimizing supply chain disruptions. Our quality management systems align with international standards, and we continuously invest in R&D to improve product performance and develop eco-friendly alternatives. By partnering with Feymer, clients benefit from a stable supply of high-quality PDADMAC polymer that supports their sustainability goals.

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PDADMAC polymer is a water-soluble cationic polyelectrolyte famous for its use in flocculation and coagulation. The production involves polymerization of diallyldimethylammonium chloride (DADMAC), resulting in a linear polymer with quaternary ammonium groups that carry a permanent positive charge regardless of pH. This characteristic makes PDADMAC effective in neutralizing negatively charged impurities like clays, organic matter, and oil emulsions. In water treatment, it is often applied as a primary coagulant or as a flocculant aid upstream or downstream of inorganic metal salts, enhancing particle aggregation and settling. One significant advantage is that PDADMAC can be used effectively across a wide pH range (pH 1-14), offering flexibility for varying water chemistry. Additionally, its high charge density reduces the required dosage, lowering operational costs and minimizing sludge volume.

Frequently Questions

What is the typical dosage of PDADMAC polymer for raw water clarification?

Dosage varies based on raw water characteristics, including turbidity, pH, and organic load. For typical raw water clarification, dosages range from 1 to 10 ppm by active polymer weight. However, we recommend conducting jar tests to determine optimal dosage. Our technical support can assist in providing guidelines and conducting trials, ensuring efficient use of polymer. Overdosing may not improve performance and can increase costs; therefore, precise control is essential.
PDADMAC polymer is more effective in low turbidity waters and organic-rich sources, forming stronger flocs at lower dosages. It generates minimal sludge and does not significantly alter pH, reducing the need for pH adjustment chemicals. While inorganic coagulants are cheaper per unit weight, their overall cost may be higher due to larger dosage requirements and increased sludge management costs. A combination of both often yields optimal results, with PDADMAC as a flocculant aid.

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Customer Testimonials

Mark Thompson
Reliable Flocculant That Exceeds Expectations

We switched to Feymer’s PDADMAC polymer for our municipal wastewater plant, and the difference is remarkable. The flocs form quickly and settle fast, improving our clarifier efficiency by 30%. The polymer is consistent, and the technical support team helped us optimize dosage, reducing our chemical cost by 20%.

Dr. Elena Petrova
Superior Performance in Industrial Effluent Treatment

As a chemical plant, we face tough effluent challenges. Feymer’s PDADMAC polymer effectively removes heavy metals and organics, enabling us to meet strict discharge limits. The product is high quality, and the supply chain is dependable. We appreciate their commitment to sustainability.

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cationic polymer cationic polymerization polydadmac pdadmac polymer quaternary ammonium polymer cationic water soluble polymer cationic polymer for sludge dewatering cationic coagulant for mineral processing cationic drainage aid for paper mill cationic polymer for paper sizing water treatment cationic polymer high molecular cationic polymer
Innovative Manufacturing Ensures High Charge Density

Innovative Manufacturing Ensures High Charge Density

Feymer uses cutting-edge polymerization techniques to produce PDADMAC polymers with remarkably high charge density, typically exceeding 5.5 meq/g on a dry basis. This means our product can neutralize more negatively charged impurities per kilogram, resulting in faster flocculation and clearer water. The optimized process yields a polymer with low viscosity and high purity, ensuring easy feeding and consistent performance. Whether you are treating drinking water or industrial effluent, our polymer’s efficacy translates to reduced chemical consumption, lower sludge volumes, and cost savings. Moreover, with a range of molecular weights available, we can tailor the product to suit specific solids settling kinetics, giving you complete control over your water treatment system.
Eco-Friendly and Sustainable Production

Eco-Friendly and Sustainable Production

Feymer Technology is committed to green chemistry. Our PDADMAC polymer production uses aqueous-based polymerization, minimizing volatile organic compound emissions and reducing energy consumption. We have implemented closed-loop systems that recycle process water and recover by-products, drastically cutting waste. Our factories operate under strict environmental standards, and we continuously invest in renewable energy sources. Furthermore, our product is designed to aid our clients in meeting their own environmental goals: improving water quality and reducing the need for harsh inorganic coagulants. Choosing Feymer not only enhances your operational efficiency but also contributes to a more sustainable water sector.