Liquid Polymeric Flocculant
Overview
Liquid Polymeric Flocculant is a ready-to-use formulation of high-molecular-weight polymers designed for industrial water clarification. Unlike powdered variants, this liquid form eliminates dissolution time and ensures homogeneous mixing. The product is engineered to bridge fine particles through polymer chain entanglement, forming larger flocs for easier removal. Supplied in bulk containers (typically 1,000L IBC totes or drums), it offers handling convenience for continuous dosing systems. Major manufacturers provide customized formulations with varying charge densities and molecular weights to address specific wastewater chemistries, including high-salt or oily conditions.
Physical and Chemical Properties
The flocculant exhibits pseudoplastic flow behavior, with viscosity reducing under shear stress for easier pumping. Typical formulations contain 30-50% active polymer content dissolved in water, often with minor preservatives. Ionic character (anionic, cationic, or non-ionic) determines its affinity for different colloidal particles. Key performance indicators include charge density (1-10 meq/g) and Brookfield viscosity (500-5,000 cP). The polymers maintain stability within 2-12 pH range but degrade under prolonged UV exposure or oxidizing conditions. Shelf life ranges 6-12 months depending on storage temperature and preservative package.
Main Applications
In mining operations, the flocculant separates mineral tailings from process water, achieving >90% clarification efficiency. Municipal wastewater plants use it for tertiary treatment, reducing turbidity to <1 NTU. The oil industry applies it for produced water treatment and sludge centrifugation. Paper mills employ cationic versions to retain fillers and reduce biological oxygen demand (BOD). Specialized low-molecular-weight variants assist in drinking water treatment without residual polymer concerns. Emerging applications include microplastic capture and algae harvesting in aquaculture.
Safety and Storage
While classified as non-hazardous under GHS, concentrated solutions may cause mild skin irritation. Personal protective equipment (gloves, goggles) is recommended during transfer operations. Spills create slippery surfaces and should be rinsed immediately with water. Storage tanks should include agitation systems to prevent polymer settling in cold climates. Freezing causes irreversible damage to the polymer matrix. Optimal storage preserves efficacy by avoiding metal ion contamination (especially iron) that can catalyze degradation.
B2B Procurement Guide
Industrial buyers should specify: 1) Ionic type matching the zeta potential of target particles 2) Desired floc size (affects settling speed vs. filtrate clarity) 3) Compatibility with existing dosing equipment (avoid shear degradation). Batch certificates should verify viscosity stability and activity retention. Many suppliers offer trial quantities for jar testing. Bulk shipments require temperature-controlled transport below 40°C. For large-volume contracts, consider on-site storage tanks with circulation systems to maintain product uniformity.
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