MAGNAFLOC 338 is a high-performance anionic polyacrylamide flocculant widely used in solid–liquid separation processes in mining, mineral processing, industrial wastewater treatment, and sludge management.
Application of MAGNAFLOC 338
MAGNAFLOC 338 is a high-performance anionic polyacrylamide flocculant widely used in solid–liquid separation processes in mining, mineral processing, industrial wastewater treatment, and sludge management. As a high-molecular-weight anionic flocculant, MAGNAFLOC 338 works mainly through polymer bridging, where long polymer chains adsorb onto suspended particles and connect them into large, dense flocs. These flocs settle rapidly or dewater efficiently, making MAGNAFLOC 338 a reliable and cost-effective solution for clarification, thickening, and water recovery applications.
One of the primary applications of MAGNAFLOC 338 is in mining and mineral processing, especially in tailings thickening, concentrate clarification, and process water recycling. During crushing, grinding, flotation, and leaching operations, large quantities of fine mineral particles are generated. These fine particles remain suspended for long periods due to their small size and surface charge, making natural settling inefficient.
MAGNAFLOC 338 anionic polyacrylamide effectively aggregates these fine particles into larger flocs, significantly increasing settling rates in thickeners and clarifiers. Its use leads to higher underflow solids concentration and clearer overflow water. Clear overflow water can be reused as process water, reducing freshwater consumption and improving overall plant water balance. At the same time, higher underflow density improves tailings transport, stacking, and storage efficiency, which is critical for safe and sustainable tailings management.
MAGNAFLOC 338 is widely applied in industrial wastewater treatment across industries such as metallurgy, steel manufacturing, power plants, chemical production, mining-related industries, ceramics, and building materials. Industrial effluents often contain high levels of suspended solids, metal hydroxides, and fine inorganic particles formed during neutralization and precipitation processes.
When used after inorganic coagulants such as ferric chloride, aluminum sulfate, polyaluminum chloride, or lime, MAGNAFLOC 338 acts as an effective flocculant aid. It strengthens floc structure, accelerates sedimentation, and improves clarification efficiency. The treated effluent shows lower turbidity and reduced suspended solids, helping facilities comply with environmental discharge regulations. Improved solid removal also reduces the load on downstream filtration, membrane systems, or biological treatment processes.
Another important application of MAGNAFLOC 338 is in sludge thickening and mechanical dewatering. Sludge generated from industrial and municipal wastewater treatment plants often contains fine particles that trap large amounts of water, making dewatering difficult and expensive.
MAGNAFLOC 338 forms large, porous, and shear-resistant flocs that allow water to drain more easily. In gravity thickeners, it increases settling speed and produces higher underflow solids concentration. When applied before belt filter presses, centrifuges, screw presses, or plate-and-frame filter presses, MAGNAFLOC 338 improves cake dryness, reduces polymer consumption, and stabilizes dewatering performance. Reduced sludge volume directly lowers transportation, handling, and disposal costs.
In municipal water treatment plants, MAGNAFLOC 338 is commonly used as a coagulant aid to enhance flocculation and sedimentation following primary coagulation with alum or iron salts. Raw water often contains fine clay particles, colloids, and natural organic matter that are difficult to remove by coagulation alone.
The addition of MAGNAFLOC 338 increases floc size and density, resulting in faster settling and improved clarifier performance. Lower residual turbidity improves the efficiency of downstream filtration systems, extends filter run times, and reduces backwash frequency. Overall, the use of MAGNAFLOC 338 contributes to more stable plant operation and lower operating costs.
In municipal wastewater treatment, MAGNAFLOC 338 is mainly applied for primary sludge thickening and chemically conditioned sludge treatment. Its strong flocculation capability ensures reliable operation even under fluctuating flow rates and solids loading. By improving thickening efficiency, MAGNAFLOC 338 helps wastewater treatment plants reduce sludge volume and optimize downstream dewatering processes.
Its consistent performance makes MAGNAFLOC 338 suitable for large municipal facilities where operational stability, cost control, and regulatory compliance are critical.
MAGNAFLOC 338 is also widely used in the pulp and paper industry, particularly for white water clarification, fiber and filler recovery, and paper mill sludge dewatering. Fine fibers, fillers, and coating pigments suspended in white water can be efficiently flocculated using MAGNAFLOC 338, allowing valuable raw materials to be recovered and reused in the papermaking process.
Improved white water clarity supports higher levels of internal water recycling, reducing freshwater intake and effluent discharge. For paper mill sludge, MAGNAFLOC 338 improves drainage characteristics and increases solids content in the dewatered cake, reducing disposal costs and improving overall mill efficiency.
In construction and civil engineering projects, MAGNAFLOC 338 is applied for slurry treatment in tunneling, piling, diaphragm wall construction, and foundation works. Bentonite and cement slurries contain fine solids that must be removed before water reuse or discharge. MAGNAFLOC 338 promotes rapid flocculation and clarification, producing clear water suitable for recycling on site and minimizing environmental impact.
The application of MAGNAFLOC 338 offers several operational advantages, including rapid floc formation, strong floc stability, excellent settling performance, and effective operation at low dosage. It performs well across a wide pH range and under high solids conditions, making it adaptable to different water chemistries and process requirements. Reduced chemical consumption and improved water recovery contribute to lower overall operating costs.
In conclusion, MAGNAFLOC 338 is a versatile and highly efficient anionic polyacrylamide flocculant with broad applications in mining and mineral processing, industrial and municipal wastewater treatment, sludge thickening and dewatering, pulp and paper production, municipal water treatment, and construction slurry management. By significantly improving solid–liquid separation efficiency, water recovery, and sludge dewatering performance, MAGNAFLOC 338 helps industries and municipalities achieve better process performance, regulatory compliance, and long-term sustainable water management.
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