China Chitosan Flocculant Supplier & Global Polymer Solutions

Pioneering High-Performance Bio-Based & Synthetic Polyacrylamide Solutions for Wastewater Treatment, Oil & Gas, Paper, and Mineral Processing Worldwide.

Featured Industrial Flocculants & Polymers

Explore our premium selection of certified cationic, anionic, and nonionic polyacrylamide flocculants tailored for optimal solid-liquid separation.

Wholesale Anionic Polyacrylamide Powder Flocculant
Wholesale Anionic Polyacrylamide Powder Flocculant for Food Processing & Sugar Refining Wastewater Manufacturer, Factories
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China Cationic polyacrylamide Manufacturer
China Cationic polyacrylamide Manufacturer, Supplier
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Wholesale Anionic Polyacrylamide APAM
Wholesale Anionic Polyacrylamide (APAM) for Municipal Sewage Treatment & Sludge Dewatering Manufacturers, Suppliers
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Wholesale Anionic Polyacrylamide Suppliers
Wholesale Anionic Polyacrylamide Manufacturers, Supplier
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China PAM Anionic Polyacrylamide Paper Strength Agent
China PAM Anionic Polyacrylamide Dry & Wet Strength Agent for Paper Industry Manufacturers, Factories
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Wholesale Cationic Polyacrylamide CPAM Supplier
Wholesale Cationic Polyacrylamide (CPAM) for Sludge Dewatering & Industrial Wastewater Flocculation Supplier, Factories
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China Cationic Polyacrylamide Paper Making Supplier
China Cationic Polyacrylamide Retention & Drainage Aid for Paper Making Industry Supplier, Factories
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Wholesale Nonionic Polyacrylamide NPAM Suppliers
Wholesale Nonionic Polyacrylamide (NPAM) for Mineral Processing & Metallurgical Ore Dressing Suppliers, Factories
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50,000+
Metric Tons Annual Capacity
€2.0M
Annual R&D Investment
ISO9001
Quality Management Certified
10%+
Consistent Annual Growth Rate

Comprehensive Technical White-Paper: Chitosan & Polyacrylamide Flocculants in Global Industry

An in-depth analysis of bio-based biopolymers, synthetic polyacrylamide matrices, charge density dynamics, and green coagulation-flocculation technology roadmap.

1. The Commercial Rise of Chitosan & Bio-Flocculants

In response to stringent environmental regulations and global net-zero carbon initiatives, the demand for natural bio-flocculants like Chitosan has escalated dramatically across North America, Europe, and Asia-Pacific. Derived from deacetylated chitin sourced from marine crustacean shells, Chitosan represents a non-toxic, biodegradable cationic biopolymer equipped with rich reactive primary amino groups (-NH2) and hydroxyl (-OH) functional sites.

As a leading China Chitosan Flocculant Supplier and synthetic polymer powerhouse, Qingdao Oubo Chemical Co., Ltd bridges the gap between traditional synthetic acrylamide chemistry and emerging eco-friendly bio-flocculation systems. By optimizing charge density, molecular weight, and solubility, Chitosan flocculants effectively neutralize negatively charged colloidal suspended solids, heavy metals, microplastics, and organic dyes without introducing secondary aluminum or synthetic monomer contamination into sensitive ecosystems.

2. Chemical Mechanisms & Synergistic Dual Systems

Flocculation effectiveness hinges on three core mechanisms: Charge Neutralization, Polymer Bridging, and Electrostatic Patching. While Chitosan exhibits high positive charge density in acidic to neutral pH regimes, synthetic Polyacrylamide (PAM) provides ultra-high molecular weights (up to 22 Million Daltons) ideal for forming expansive micro-flocs.

Modern industrial wastewater plants utilize a hybrid dual-dosing strategy. Primary coagulation via Chitosan rapidly destabilizes fine colloidal particles and reduces Chemical Oxygen Demand (COD). Subsequent addition of Oubo Polyacrylamide (APAM/CPAM) induces massive bridging actions, resulting in fast-settling, dense flocs with exceptional shear resistance and dewatering characteristics.

Technical Comparison Matrix: Chitosan vs. Polyacrylamide (PAM) Variants

Polymer Type Primary Structure / Charge Molecular Weight Range Optimal pH Range Key Industrial Strengths
Chitosan Flocculant Cationic Biopolymer (Deacetylated Chitin) 50,000 – 1,000,000 Da pH 4.0 – 6.8 100% Biodegradable, non-toxic, high metal chelation, ideal for food & potable water.
Cationic PAM (CPAM) Synthetic Copolymer (Acrylamide + DAC/ADAM) 5 Million – 15 Million Da pH 3.0 – 10.0 Superior municipal sludge dewatering, high shear resistance, fast flocs formation.
Anionic PAM (APAM) Synthetic Copolymer (Acrylamide + Acrylic Acid) 8 Million – 22 Million Da pH 6.0 – 14.0 Cost-effective mineral tailing settlement, industrial wastewater clarification, sugar refining.
Nonionic PAM (NPAM) Synthetic Homopolymer (Pure Acrylamide) 3 Million – 10 Million Da pH 1.0 – 8.0 High tolerance to acidic industrial effluents, soil stabilization, mining leach liquor separation.

About Oubo Chemical Co., Ltd

Oubo Chemical Co., Ltd was established in 2011, which is located in the Free Trade Zone of Qingdao, China. The QC system of O'Brien is strict and comprehensive, in the past 10 years, the business growth rate is 10% per year. Qingdao Oubo Chemical Co, Ltd is highly committed to quality, service, and pays more attention to the influence of the environment during polymer production and application.

Oubo specializes in supplying Cationic Polyacrylamide, Anionic Polyacrylamide, and Nonionic Polyacrylamide, we have advanced equipment and professional staff, which ensure all the products and service to be in good order. The annual capacity of polyacrylamide has broken through 50,000 Tons in 2018, and the quality management system of Oubo has been certified by ISO9001:2008. We proudly stand behind our product.

About Polyacrylamide

Polyacrylamide (PAM) is a synthetic resin prepared by polymerizing acrylamide. It is a white, solid, water-soluble polymer of acrylamide, mostly used as a flocculant, coagulant, and filtration aid in a whole range of applications that are determined by its physical form and its ionic type (nonionic, anionic, cationic, and Mannich).

It is utilized in secondary oil recovery, as a thickening agent, a flocculant, and an absorbent. Moreover, polyacrylamide is also employed to separate macromolecules of different molecular weights.

PAM products & Oubo Vision

Oubo Chemical Co, Ltd has a vision for the medium and long-term development of our products and market. Our PAM products provide perfect solutions for a vast spectrum of global applications including Waste Water Treatment, Oil & Gas Extraction, Mining, Agriculture, Paper & Pulp, Paints & Coatings, Textiles, Food, and others.

Oubo Chemical has established a professional team to help our customers with their specific application of PAM. Our brand O'brien has been accepted by clients worldwide.

Our strategic action depends on continuous performance improvement and is absolutely oriented to our customers' satisfaction. We will do our best to provide professional service with superior quality to our customers, and never stopping research on new products and applications, to achieve the goal which is to protect our planet with you. With the fast development of our factory, we will do our best to be competitive always thinking about our customers.

Core Polymer Categories

Cationic polyacrylamide

Cationic polyacrylamide

Specially formulated for organic sludge dewatering, municipal wastewater, and paper wet-end retention.

Anionic Polyacrylamide

Anionic Polyacrylamide

High molecular weight polymers engineered for inorganic solid-liquid separation, mining, and EOR.

Nonionic Polyacrylamide

Nonionic Polyacrylamide

Designed for acidic wastewater processing, mineral leaching, and soil moisture retention systems.

Why Choose OuBo Chemical

Industry-leading manufacturing capabilities, patented biological synthesis, and world-class quality assurance.

Professional Producer

Qingdao OUBO Chemical Co,. Ltd is the leading manufacturer of Polyacrylamide in the world. We using the biological methods to produce the polyacrylamide, which has patent applied for. We put €2 hundred million into research per year for more technical accumulation.

Quality Assurance

Global supplying chain. All materials are purchased from all over the world, our suppliers are such as SINOPEC, Eni and so on, all of the production lines are automatic. All products comply with ISO9001, and each batch product would be tested for 3 times before delivery by QC team.

Specialized & Efficient

We specialized in manufacturing Polyacrylamide for 8 years with superior quality and competitive price. Our technical team join in pre-sales, sales and after-sales process to support you in the selection, product testing and after-sales service. We promise: professional technical team to help you do the right choice.

Technical Support

Our technical team join in pre-sales, sales and after-sales process to support you in the selection, product testing and after-sales service. We promise: professional technical team to help you do the right choice.

Global Industrial Application Matrix

Customized polymer solutions designed for high-efficiency solid-liquid separation across complex industrial sectors.

Water Treatment Industry

As a flocculating agent, mainly used in industrial solid-liquid separation process, including settlement, to clarify, concentrate and sludge dewatering processes. Polyacrylamide plays an important role in municipal sewage treatment and industrial wastewater treatment. Increasingly stringent regulations promote the development of water treatment industry.

For municipal sewage treatment industry, it is also widely used in leather, paper making, citric acid, vegetable protein extract, dyeing, pharmaceutical, incense, etc.

Applications for all the major sectors are: Urban Sewage Treatment, Paper, Food Processing, Petrochemical, Metallurgical Processing, Dyeing and the Sugar and all kinds of industrial wastewater treatment.

Paper & Pulp Industry

In the paper industry, PAM can be used as dry strength agents, retention agent, and filter aid. They greatly improve paper quality, enhance physical strength of paper, reduce fiber loss, and can also be used in white water treatment and deinking flocculation processes.

  • 1. Paper Retention Agent: Significantly improves retention rate of short fiber fillers and dewatering speed, enhancing quality while reducing raw material costs.
  • 2. Anionic Garbage Capture Agent: Neutralizes anionic charge of organics and fine fibers, balancing wet-end chemistry and expanding filler retention.
  • 3. Paper Strength Agent: Fully ionized across pH ranges, adsorbing onto pulp fibers to form strong covalent and ionic linkages that boost mechanical resistance.
  • 4. Paper Dispersant Agent: Promotes uniform dispersion of fibers for superior sheet appearance, smoothness, and toughness.

Oilfield Industry

Polyacrylamide is widely used in oil exploration, profile control, plugging agents, drilling fluids, and fracturing fluid additives. It provides fluid loss reduction, shale inhibition, dilution, plugging, cooling and lubricating of drill bits, debris transport, and well cementing.

Major Application Sectors: Enhanced Oil Recovery (EOR), Fracturing Fluid Additives, Drilling Fluids Additives, Oil Sands Flocculants.

Mining Industry

Polyacrylamide separates minerals and ore while treating process wastewater and sealing mining pipes. Oubo offers non-ionic, anionic, and cationic charged products at varying molecular weights tailored for: Coal Washing, Tailing Treatment, Solid Liquid Separation by Filtration and Centrifugation, and Ore Processing for Gold, Silver, Iron, Nickel, and Copper.

Sugar Industry

Polyacrylamide is utilized extensively in the clarification and flotation steps of sugar juice refining, increasing juice clarity and yield.

Textile Industry

PAM serves as an effective textile sizing agent, finishing agent, and fabric treatment agent, enhancing structural strength and anti-static qualities.

Package Details & Packaging Customization

Standardized international export packaging guaranteeing moisture barrier protection and zero degradation during long-distance ocean freight.

Blank Bag Packaging

Blank-bag

Unbranded 25kg Kraft paper bags with internal PE liner for OEM client flexibility.

Normal Bag Packaging

Normal-bag

Standard Oubo O'brien branded export bags with technical specifications and safety batch codes.

Package Bulk Container

Package

750kg – 1000kg Super Sacks / Jumbo FIBC Bags for high-volume automated chemical dosing setups.

Pallet Packaging

Pallet

Fumigated wooden or plastic pallets fully wrapped with stretch film and strapping for secure loading.

Technical Roadmap & Sustainable Macro Solutions

Pioneering the next era of bio-synthetic hybrid polymers and zero liquid discharge (ZLD) technologies.

ESG & Carbon Neutrality

Transitioning towards bio-based raw materials, including Chitosan, sodium alginate, and microcrystalline cellulose derivatives, dramatically minimizes the lifecycle carbon footprint of municipal wastewater treatment plants.

Smart Dosing Automation

Integrating online streaming current monitors (SCM) and optical turbidity sensors with dynamic polymer dissolution units to deliver precise parts-per-million (PPM) dosage control without polymer waste.

Zero Liquid Discharge (ZLD)

Optimized high-charge flocculant formulations enable high-salinity industrial effluents to undergo complete mechanical vapor recompression (MVR) and crystallization with maximum water recovery rates.

Frequently Asked Questions (FAQ)

Expert technical answers regarding Chitosan flocculants, Polyacrylamide selection, and bulk sourcing from China.

Why choose China Chitosan Flocculant suppliers like Oubo Chemical?
China accounts for a major share of global chitin and biopolymer processing capacity due to robust marine byproduct supply chains. Oubo Chemical leverages advanced biological synthesis, ISO9001-certified quality control, and a massive 50,000-ton capacity to provide highly competitive, batch-consistent Chitosan and Polyacrylamide products worldwide.
How does Chitosan compare to Cationic Polyacrylamide (CPAM) in sludge dewatering?
Chitosan is a 100% natural bio-flocculant that leaves zero chemical toxicity in the dewatered cake, making it ideal for agricultural biosolid land application. However, CPAM offers higher molecular weights for extreme mechanical shear conditions in belt filter presses or centrifuges. Frequently, combining both yields the highest filtration velocity and cake dry solids content.
What ionic type of Polyacrylamide should I choose for my application?
- Cationic PAM (CPAM): Best for organic-rich sludge (municipal sewage, food processing, beer brewing).
- Anionic PAM (APAM): Best for inorganic suspension solids (mining tailings, sand washing, neutral-to-alkaline water).
- Nonionic PAM (NPAM): Best for highly acidic wastewater, mineral leaching, and soil preservation.
What is the standard dissolve procedure for dry powder polymer flocculants?
Dry polymers must be dissolved in clean water at a concentration of 0.1% – 0.3% (w/v). Slowly sprinkle the powder into a vortex created by a low-speed mechanical agitator (200-400 RPM) to prevent fish-eye lump formation. Allow aging for 45-60 minutes until completely dissolved before dosing.

Complete Industrial Product Portfolio

Browse our complete series of high molecular weight nonionic, cationic, and anionic flocculants.

High Molecular Weight Polyacrylamide
Wholesale High Molecular Weight Nonionic Polyacrylamide for Coal Washing & Tailings Dewatering Manufacturers, Suppliers
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Nonionic Polyacrylamide PAM Thickener
China Nonionic Polyacrylamide (PAM) Thickener for Oilfield Drilling Fluid Manufacturers, Suppliers
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Cationic Polyacrylamide CAS 9003-05-8
Wholesale Cationic Polyacrylamide (CAS 9003-05-8) Flocculant for Textile & Dyeing Wastewater Manufacturer, Supplier
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China Nonionic Polyacrylamide Suppliers
China Nonionic Polyacrylamide Manufacturers, Supplier
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Wholesale PAM Anionic Polyacrylamide
Wholesale PAM Anionic Polyacrylamide Manufacturer, Suppliers
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High Molecular Weight Anionic Polyacrylamide
Wholesale High Molecular Weight Anionic Polyacrylamide for Petrochemical & Metallurgical Wastewater Suppliers, Factories
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Cationic Polyacrylamide Powder
Wholesale Cationic Polyacrylamide Powder for Municipal & Industrial Wastewater Treatment Supplier, Suppliers
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Nonionic Polyacrylamide Flocculant for Acidic Wastewater
China Nonionic Polyacrylamide Flocculant for Acidic Industrial Wastewater Treatment Manufacturers, Factories
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