MAGNAFLOC 155 is a high-molecular-weight anionic polyacrylamide flocculant widely used for solid–liquid separation in mining, mineral processing, industrial wastewater treatment, and sludge management.
Application of MAGNAFLOC 155
MAGNAFLOC 155 is a high-molecular-weight anionic polyacrylamide flocculant widely used for solid–liquid separation in mining, mineral processing, industrial wastewater treatment, and sludge management. As a typical anionic flocculant, MAGNAFLOC 155 operates mainly through a polymer-bridging mechanism, in which long polymer chains adsorb onto fine suspended particles and link them together into large, stable flocs. These flocs settle rapidly or dewater efficiently, making MAGNAFLOC 155 a reliable and cost-effective solution for clarification, thickening, and water recovery applications.
One of the most important applications of MAGNAFLOC 155 is in mining and mineral processing, particularly in tailings thickening, concentrate clarification, and process water recycling. Crushing, grinding, flotation, and leaching processes generate large volumes of fine mineral particles that remain suspended for long periods due to their small size and surface charge. Without effective flocculation, gravity settling is slow and inefficient.
MAGNAFLOC 155 anionic polyacrylamide effectively aggregates these fine mineral particles into large, dense flocs, significantly increasing settling rates in thickeners and clarifiers. The use of MAGNAFLOC 155 leads to higher underflow solids concentration and clearer overflow water. Clear overflow water can be reused as process water, reducing freshwater consumption and improving the overall water balance of the plant. In addition, higher underflow density improves tailings transport and storage efficiency, supporting safer and more sustainable tailings management.
MAGNAFLOC 155 is widely applied in industrial wastewater treatment across industries such as metallurgy, steel production, power generation, chemical manufacturing, mining-related industries, ceramics, and construction materials. Industrial effluents from these sectors often contain high concentrations of suspended solids, metal hydroxides, and fine inorganic particles formed during neutralization and chemical precipitation processes.
When used after inorganic coagulants such as ferric chloride, aluminum sulfate, polyaluminum chloride, or lime, MAGNAFLOC 155 acts as a flocculant aid. It strengthens floc structure, accelerates sedimentation, and improves overall clarification efficiency. As a result, treated effluent exhibits lower turbidity and reduced suspended solids, helping facilities meet environmental discharge regulations. Improved solid removal also reduces the load on downstream filtration, membrane systems, or biological treatment units, enhancing system stability and reducing operating costs.
Another key application of MAGNAFLOC 155 is in sludge thickening and mechanical dewatering. Sludge generated from industrial and municipal wastewater treatment processes often contains fine particles that retain large amounts of water, making dewatering difficult and expensive.
MAGNAFLOC 155 forms large, porous, and shear-resistant flocs that allow water to drain more easily during thickening and mechanical dewatering. 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 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. Overall, the use of MAGNAFLOC 155 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 even 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 and predictable performance makes MAGNAFLOC 155 particularly 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, especially 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, 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 enhances drainage characteristics and increases solids content in the dewatered cake, reducing disposal costs and improving overall mill efficiency.
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