Explore our specialized nonionic, cationic, and anionic polyacrylamide formulations synthesized for extreme turbidity removal, rapid dewatering, and rheology control.
Engineered for superior thermal stability and fluid-loss reduction in high-salinity oilfield drilling muds.
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High cationicity polymer designed for rapid organic solid flocculation and sludge neutralization.
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Optimizes wet-end fiber retention, enhances paper sheet formation, and reduces raw material losses.
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High-charge CPAM tailor-made for belt filter presses, centrifuges, and screw press dewatering systems.
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Formulated to maximize burst and tensile strength by forming strong covalent and hydrogen bonds with fibers.
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Ultra-pure anionic polymer compliant with food-grade extraction and sugarcane juice clarification standards.
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Extremely high molecular weight APAM designed to clarify heavy metal and suspended mineral wastewater.
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Accelerates coal slurry sedimentation and mineral wash water recycling in dense medium circuits.
View Product DetailsEstablished in 2011 within the Qingdao Free Trade Zone, China, Qingdao Oubo Chemical Co., Ltd. (Brand: O'brien) has emerged as a worldwide leader in chemical flocculant innovation. Backed by a strict, multi-stage Quality Control (QC) matrix and an annual business growth rate of over 10%, Oubo Chemical combines large-scale synthesis infrastructure with sustainable polymer science.
With state-of-the-art biological acrylamide monomer conversion systems and strategic raw material partnerships with petroleum giants such as SINOPEC and Eni, our annual polyacrylamide production capacity surpassed 50,000 metric tons. Certified under ISO 9001:2008, every production lot undergoes triple-stage QC testing to ensure zero batch-to-batch variance.
Advanced enzymatic hydrolysis yields high-purity acrylamide monomers with minimal toxic sub-products.
Spectrophotometric, viscosity, and charge-density testing on every individual production lot prior to dispatch.
Understanding the molecular architecture, charge density variations, and intrinsic viscosity mechanisms of Polyacrylamide (PAM, CAS 9003-05-8).
Polyacrylamide is a synthetic, water-soluble linear resin constructed from polymerized acrylamide monomers ($\text{CH}_2=\text{CHCONH}_2$). Depending on the copolymerization conditions, ionic modifiers, and hydrolytic processes, PAM molecules exhibit variable molecular weights ranging from 3 Million to over 25 Million Daltons.
The primary operational dynamic of PAM flocculants relies on two key colloidal interactions: Charge Neutralization and Interparticle Polymer Bridging. Suspended solid particles in industrial wastewater typically carry a negative zeta potential, preventing natural agglomeration through electrostatic repulsion. Cationic or charge-modified PAM neutralizes this electrical double layer, allowing long polymer chains to stretch across the liquid medium and adsorb onto multiple particles, forming large, dense flocs that rapidly settle or float.
| Ionic Category | Copolymer / Functional Group | Molecular Weight (Million Da) | Charge Density / Hydrolysis | Primary Industrial Applications |
|---|---|---|---|---|
| Anionic (APAM) | Acrylamide + Sodium Acrylate | 8.0 - 22.0 | 10% - 60% Hydrolysis | Mineral processing, coal tailing separation, municipal water clarification, EOR. |
| Cationic (CPAM) | Acrylamide + DAC / DMC Monomers | 5.0 - 15.0 | 5% - 80% Cationicity | Organic sludge dewatering, textile wastewater, paper retention, citric acid processing. |
| Nonionic (NPAM) | Pure Homopolymerized Acrylamide | 3.0 - 12.0 | < 3% Ionic Charge | Acidic wastewater treatment, soil stabilization, oilfield drilling fluid loss reduction. |
| Mannich PAM | Aminomethylated Polyacrylamide | 6.0 - 10.0 | High Cationic Density | Refinery sludge treatment, heavy industrial dewatering with high dissolved solids. |
Customized polymer dosing strategies formulated for diverse global industrial matrices and environmental compliance frameworks.
In urban sewage systems and industrial effluent plants, high-purity CPAM and APAM treat high chemical oxygen demand (COD) and suspended solids (SS). They significantly enhance cake dryness during belt filter press and centrifuge operations while dramatically lowering moisture content.
High molecular weight APAM acts as a mobility control agent in polymer flooding, increasing water phase viscosity to sweep residual oil from reservoir rock pores. NPAM additives reduce drilling fluid loss under extreme downhole thermal and saline conditions.
Facilitates liquid-solid separation in coal washing tailings, copper heap leaching, gold hydrometallurgy, and iron ore extraction. Promotes rapid clear-water overflow recycling, conserving precious process water in arid mining regions.
Acts as a retention aid, drainage promoter, and dry/wet strength enhancer. CPAM and APAM fix short fibers and inorganic fillers onto the sheet matrix while capturing anionic trash to optimize wet-end chemistry stability.
Linear polyacrylamide soil conditioners stabilize soil aggregates, reduce furrow irrigation erosion, and improve water infiltration rates, aiding sustainable land restoration and agricultural yield expansion.
Efficiently precipitates hydrophobic and reactive dyes from textile effluents. In sugar refining and food processing, food-grade APAM accelerates juice clarification and starch-water separation.
Navigating environmental regulations demands precise polymer chemistry. Oubo Chemical’s global technical division provides localized dosing optimization, bench-scale jar testing, and field trials across North America, Europe, Southeast Asia, and the Middle East.
Our proprietary enzymatic monomer conversion ensures residual Acrylamide (AMD) content is maintained below 0.05% (< 500 ppm), easily meeting stringent EU REACH, US EPA, and WHO potable water guidelines.
Located adjacent to Qingdao Port within the Free Trade Zone, we ensure rapid international shipping with palletized, moisture-proof, UV-resistant multi-wall paper and big-bag packaging variants.
Pioneering next-generation eco-friendly flocculants and smart-responsive polymers for zero-liquid discharge (ZLD) systems.
Transitioning to low-carbon enzymatic catalysis, significantly reducing green-house gas emissions per ton of monomer produced while eliminating catalytic copper residues.
Developing pH and temperature-responsive micro-emulsion polymers that alter charge configuration dynamically inside sludge cake beds to maximize fluid release.
Engineering hyper-branched polyacrylamide architectures capable of maintaining viscosity and bridging efficacy under extreme high-shear oilfield and centrifuge environments.
Expert guidance on polyacrylamide selection, dissolution protocols, storage guidelines, and field application parameters.
Discover additional industry-specific polyacrylamide grades engineered for high efficiency and total process optimization.
Resistant to low pH environments; ideal for acid pickling plant effluent and mineral processing tailings.
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Rapidly clarifies primary and secondary municipal wastewater settling tanks while improving sludge density.
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High purity granular APAM offering rapid dissolution, minimal insoluble residue, and high floc strength.
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Standard nonionic grade for soil consolidation, agricultural moisture preservation, and specialty chemical synthesis.
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High-selectivity nonionic polymer for copper, gold, and nickel mineral slime clarification circuits.
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Cost-effective APAM granular series available in variable charge densities for global industrial distribution.
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High-molecular cationic polymer for municipal sludge dewatering and high-efficiency solid separation.
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Specialized cationic agent targeting dissolved colorants, organic binders, and textile finishing chemicals.
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Oubo Chemical