MAGNAFLOC 155 is a widely used anionic polyacrylamide flocculant known for its high molecular weight, strong flocculation performance, and excellent adaptability in solid–liquid separation processes
Application of MAGNAFLOC 155
MAGNAFLOC 155 is a widely used anionic polyacrylamide flocculant known for its high molecular weight, strong flocculation performance, and excellent adaptability in solid–liquid separation processes. As an anionic flocculant, MAGNAFLOC 155 primarily works through a polymer-bridging mechanism, where long polymer chains adsorb onto the surface of fine suspended particles and link them together into large, fast-settling flocs. Because of its efficiency and reliability, MAGNAFLOC 155 is extensively applied in mining, mineral processing, industrial wastewater treatment, and sludge management.
One of the most important applications of MAGNAFLOC 155 is in mining and mineral processing, especially in tailings thickening, concentrate clarification, and process water recovery. Ore crushing, grinding, flotation, and leaching operations generate large quantities of fine mineral particles that remain suspended for long periods. Natural settling is usually too slow to meet production demands and water recycling requirements.
MAGNAFLOC 155 effectively aggregates fine mineral particles into large, dense flocs, significantly increasing settling rates in thickeners and clarifiers. The use of MAGNAFLOC 155 results in higher underflow solids concentration and clearer overflow water. Clear overflow water can be reused as process water, reducing freshwater consumption and improving overall water efficiency. Higher underflow density also improves tailings transport and storage, supporting safer and more sustainable tailings management.
MAGNAFLOC 155 is widely applied in industrial wastewater treatment across industries such as metallurgy, steel manufacturing, power generation, chemical production, mining-related industries, ceramics, and construction materials. Industrial effluents often contain high levels of suspended solids, metal hydroxides, and fine inorganic particles produced during neutralization and precipitation processes.
When used after inorganic coagulants such as ferric chloride, aluminum sulfate, polyaluminum chloride, or lime, MAGNAFLOC 155 acts as a flocculant aid that strengthens floc structure and accelerates sedimentation. This leads to lower turbidity and reduced suspended solids in treated effluent, helping facilities meet environmental discharge standards. Improved solid removal also reduces the load on downstream filtration, membrane, or biological treatment systems.
Another key application of MAGNAFLOC 155 is in sludge thickening and mechanical dewatering. Sludge generated from industrial and municipal wastewater treatment plants often contains fine particles that retain large amounts of water, making dewatering difficult and costly.
MAGNAFLOC 155 forms large, porous, and shear-resistant flocs that release water more easily during thickening and dewatering. In gravity thickeners, it increases settling speed and produces higher underflow solids concentration. When applied prior to belt filter presses, centrifuges, screw presses, or plate-and-frame filter presses, MAGNAFLOC 155 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 155 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 155 increases floc size and density, resulting in faster settling and improved clarifier performance. Lower residual turbidity improves downstream filtration efficiency, extends filter run times, and reduces backwash frequency. This contributes to more stable plant operation and lower overall treatment costs.
In municipal wastewater treatment, MAGNAFLOC 155 is mainly applied for primary sludge thickening and chemically conditioned sludge treatment. Its strong flocculation performance ensures reliable operation under fluctuating flow rates and solids loading. By improving thickening efficiency, MAGNAFLOC 155 helps wastewater treatment plants reduce sludge volume and optimize downstream dewatering processes.
Consistent performance makes MAGNAFLOC 155 suitable for large municipal facilities where operational stability and cost control are critical.
MAGNAFLOC 155 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 155, allowing valuable raw materials to be recovered and reused in the papermaking process.
Improved white water clarity supports higher levels of internal water recycling, reduces freshwater intake, and lowers effluent discharge. For paper mill sludge, MAGNAFLOC 155 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 155 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 155 promotes rapid flocculation and clarification, producing clear water suitable for recycling on site and minimizing environmental impact.
The application of MAGNAFLOC 155 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 diverse water chemistries and process requirements.
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