Application of Anionic Polyacrylamide Emulsion Nalco 71633

Nalco 71633 is a high–molecular weight anionic polyacrylamide emulsion developed for efficient solid–liquid separation in a wide range of water and wastewater treatment processes. As an anionic polyacrylamide emulsion, Nalco 71633 combines fast dissolution, strong flocculation ability, and excellent adaptability to different operating conditions. Its primary function is particle bridging and aggregation, making it highly effective in clarification, thickening, and dewatering applications across municipal and industrial sectors. The application of anionic polyacrylamide emulsion Nalco 71633 is especially valued where rapid floc formation, high settling rates, and improved water recovery are required.

1. Municipal Wastewater Treatment

One of the most important applications of Nalco 71633 anionic polyacrylamide emulsion is in municipal wastewater treatment plants. After primary or secondary treatment, wastewater contains fine suspended solids and biological flocs that require efficient separation. Nalco 71633 is commonly used in sludge thickening and dewatering, particularly for waste activated sludge and mixed sludge systems.

The long polymer chains of this anionic polyacrylamide emulsion promote strong inter-particle bridging, forming large and shear-resistant flocs. These flocs release water more easily during gravity thickening, centrifugation, or belt filter press operation. As a result, higher cake solids content, reduced sludge volume, and lower disposal costs can be achieved. The emulsion form of Nalco 71633 ensures rapid make-down and consistent performance, even in high-throughput treatment facilities.

2. Industrial Wastewater Treatment

Nalco 71633 anionic polyacrylamide emulsion is widely applied in industrial wastewater treatment, including chemical manufacturing, steel plants, power generation, food processing, textile dyeing, and electronics industries. Industrial effluents often contain high concentrations of fine inorganic particles, metal hydroxides, and suspended solids that are difficult to settle.

When used as a flocculant following inorganic coagulants such as ferric chloride or aluminum salts, Nalco 71633 significantly enhances floc size and settling velocity. Improved clarification efficiency reduces suspended solids in the treated effluent, helping facilities comply with discharge regulations. The stability of this anionic polyacrylamide emulsion under varying pH and temperature conditions makes it suitable for complex industrial wastewater streams.

3. Sludge Dewatering and Thickening Systems

A major application of Nalco 71633 is in mechanical sludge dewatering systems, including centrifuges, belt filter presses, and screw presses. Sludge particles often carry residual surface charges and entrapped water that hinder efficient dewatering. Nalco 71633 anionic polyacrylamide emulsion improves floc structure, creating porous yet strong flocs that allow water to drain freely under mechanical force.

Compared with dry powder polymers, the emulsion format provides faster hydration and easier handling, reducing preparation time and operational errors. This leads to stable dewatering performance, reduced polymer consumption, and improved process control. For facilities aiming to optimize sludge management costs, Nalco 71633 offers a reliable and efficient solution.

4. Mining and Mineral Processing

In the mining and mineral processing industry, Nalco 71633 anionic polyacrylamide emulsion is extensively used for tailings thickening, clarification, and water recovery. Mineral beneficiation processes generate large volumes of fine tailings suspensions that require effective solid–liquid separation. Nalco 71633 promotes rapid aggregation of mineral fines, resulting in faster settling rates and clearer overflow water.

In tailings thickeners, this anionic polyacrylamide emulsion helps achieve higher underflow solids concentration, improving tailings handling and storage stability. Enhanced water recovery supports closed-loop water systems, reducing freshwater intake and improving the sustainability of mining operations, especially in water-scarce regions.

5. Oil and Gas Industry Applications

Nalco 71633 also finds application in the oil and gas industry, particularly in produced water treatment and refinery wastewater clarification. Produced water contains suspended solids, fine sand, and oil residues that are challenging to remove. When used in combination with suitable coagulants, Nalco 71633 anionic polyacrylamide emulsion improves flocculation efficiency and enhances separation in clarifiers and flotation units.

By reducing suspended solids and oil content, Nalco 71633 helps protect downstream biological treatment systems and membrane units, extending equipment life and improving overall treatment reliability.

6. Pulp and Paper Industry

In the pulp and paper industry, Nalco 71633 anionic polyacrylamide emulsion is applied in white water clarification, fiber recovery, and paper mill sludge dewatering. Fine fibers, fillers, and coatings present in white water can be efficiently flocculated using anionic polyacrylamide. This allows valuable fibers to be recovered and reused, improving raw material efficiency.

For paper mill sludge, Nalco 71633 improves dewatering performance, producing drier sludge cakes and reducing disposal and transportation costs. Improved water clarity also supports higher levels of water reuse within the mill.

7. Environmental and Operational Benefits

The application of Nalco 71633 anionic polyacrylamide emulsion delivers multiple environmental and operational benefits. These include improved water recovery, reduced chemical consumption, lower sludge volumes, and enhanced process stability. Its high efficiency at relatively low dosages makes it a cost-effective solution for large-scale operations.