Wholesale Coagulant And Flocculant Manufacturers & Supplier

Direct Factory Solutions & Industrial Chemistry for Global Water Treatment Optimization

Featured Industrial Coagulants & Flocculants

High-purity chemical agents designed for rapid settlement, solid-liquid separation, and dewatering in municipal and industrial systems.

China High Efficient Water decoloring agent

Water Decoloring Agent (WDA)

Learn More
PDADMAC Solutions Supplier

Poly(diallyldimethylammonium chloride)

Learn More
Decolorizing Agent for Wastewater

WDA Wastewater Decolorizer

Learn More
Polymeric Aluminium Ferric Chloride

Polymeric Aluminium Ferric Chloride (PAFC)

Learn More
Wholesale Poly Aluminium Chloride Powder

Solid PAC Powder/Granules

Learn More
China PDADMAC Manufacturer

Liquid PDADMAC Polymer

Learn More
Composite Polyaluminum Chloride

Composite Polyaluminum Chloride (CPAC)

Learn More
Advanced Multifunctional CPAC Factory

Multifunctional CPAC Flocculant

Learn More

White Paper: Coagulation & Flocculation in Industrial Applications

An in-depth analysis of chemical water treatment mechanics, raw materials, environmental regulations, and direct supply systems.

Understanding Coagulation & Flocculation Mechanics

Effective solid-liquid separation forms the backbone of modern industrial water treatment. At the microscopic level, suspended particulate matter carries negative surface charges (zeta potential) that prevent aggregation due to electrostatic repulsion. Coagulation works by neutralization: adding positively charged metal salts (such as PAC or PAFC) destabilizes these repulsive forces, allowing micro-flocs to coalesce.

Following charge neutralization, flocculation completes the settlement cycle. Here, high-molecular-weight polymers like Polyacrylamide (PAM) serve as bridging agents. The long polymeric chains bind the destabilized micro-flocs together, creating large, heavy agglomerations (macro-flocs) that settle out of the liquid phase rapidly under gravity.

Choosing the correct polymer chemistry—whether anionic, cationic, or non-ionic—is vital for optimizing sludge dewatering, reducing chemical footprint, and maximizing processing speed.

Macro-Chemical Optimization Key Indicators

Our research and technical deployment prioritize three core metrics for environmental engineers:

  • Zeta Potential Neutralization: Identifying optimal dosage zones to prevent restabilization of particles.
  • Viscosity & Molecular Weight: Balancing chain length to avoid shear degradation during pumping processes.
  • Shear Stability: Guaranteeing that flocs do not break apart under turbulent flow conditions within clarifiers.

Product Classifications & Chemical Matrix

Selecting the exact agent requires matching chemical characteristics to the precise ionic nature of the wastewater suspension.

Al

Polyaluminium Chloride (PAC)

An advanced inorganic coagulant widely applied in potable water purification and industrial effluent systems. Features rapid floc formation, lower sludge volume than conventional alum, and exceptional adaptation to broad pH ranges.

  • Highly basic solid powder / yellow granules
  • Concentrated liquid variants (10%-15% active Al2O3)
  • Perfect for low-temperature, low-turbidity raw source waters
Cl

Aluminum Chlorohydrate (ACH)

The most concentrated inorganic aluminum coagulant available. Offering high basicity (up to 83%), it minimizes pH fluctuations during treatment, drastically reducing the necessity of secondary neutralizing agents (caustic soda).

  • High basicity, low dosing volume requirements
  • Superior performance in drinking water purification
  • Reduces dissolved sulfate ions in effluent streams
N

Polyacrylamide (PAM)

Water-soluble high polymers acting as key bridging flocculants. Formulated across different charge densities (cationic CPAM, anionic APAM, non-ionic NPAM) to bridge particles into large floc networks.

  • Anionic PAM: Heavy inorganic solids, mineral washings
  • Cationic PAM: Dewatering organic sludge, biological treatment
  • Adjustable molecular weights for heavy shear applications
Color

Water Decoloring Agent (WDA)

Highly active quaternary cationic polymers designed specifically to break the molecular structures of persistent chromophores in textile, dye, and printing wastewater.

  • Dicyandiamide formaldehyde derivative structure
  • High efficiency in color removal, COD reduction
  • Non-toxic decomposition profile
PD

PDADMAC

Liquid cationic coagulants characterized by strong positive charge density. Highly effective in water treatment, paper manufacturing retention aids, and petroleum sludge management.

  • Linear high-density polymer structure
  • Excellent chemical stability in wide pH conditions
  • Optimal for oil-water separating processes

Upstream Raw Materials & Chinese Manufacturing Ecosystem

How geographical synergy and integrated production hubs drive cost efficiencies and supply chain stability for global enterprise buyers.

China is home to the most concentrated raw material supply chains for coagulants and flocculants. Wuxi BS Water Treatment Chemicals leverages direct integrations with local chlor-alkali and bauxite refining facilities. Our Jiangsu location enables streamlined access to essential inputs like hydrochloric acid, liquid chlorine, and high-purity aluminum ores.

This integration yields distinct advantages for international procurers:

  1. Unparalleled Pricing: Upstream direct feeding removes secondary logistics margins, passing the cost reductions directly to our export partners.
  2. Robust Continuity: In situations of raw material volatility, our long-term regional contracts guarantee continuous output, eliminating supply disruption risks.
  3. Bulk Chemical Ports Access: Near-coastal logistics minimize inland container freight costs and transit times.

Global Quality Compliance Specs

Our operations verify every export batch via strict quality metrics:

  • Fully ISO 9001 and ISO 14001 certified.
  • Water purification chemicals conform to AWWA, NSF/ANSI 60 parameters where applicable.
  • Batch tracking system from raw mineral inspection to final loading.

About Wuxi BS Water Treatment Chemicals Co., Ltd.

A Technology Leader with 27 Years of Expertise in Water Treatment Chemicals.

Founded in 1998, Wuxi BS Water Treatment Chemicals Co., Ltd. possesses advanced production technology and rich management experience. We specialise in producing a series of water treatment products for the treatment of drinking water and various types of domestic and industrial wastewater.

Over the decades, we have driven continuous innovation in product performance and production safety. Since 2007, our products have been exported globally via distributors. With stable performance and an intelligent supply model, we have established ourselves as a preferred vendor in the global purification landscape.

BS Water Treatment Facility
27+
Years Experience
500,000+
Annual Sales Volume (Tons)
20,000+
Finished Warehouse (Tons)
1000+
Companies Served

Macro-Industry Solutions & Application Fields

Tailoring chemistry dynamics to resolve complex industrial effluent and municipal treatment challenges.

Sewage Treatment

Sewage Treatment

Optimizing municipal and domestic wastewater treatment systems. High-charge polymers reduce total suspended solids (TSS) and biological oxygen demand (BOD) to ensure safe effluent discharge.

Petroleum Industry

Petroleum Industry

Specialized polymers for enhanced oil recovery (EOR), produced water clarification, and heavy sludge dewatering, maintaining chemical integrity under extreme downhole pressures.

Membrane Process Pretreatment

Membrane Pretreatment

Preventing colloidal fouling in Ultrafiltration (UF) and Reverse Osmosis (RO) systems. Low-dosage coagulation programs extend membrane service life and reduce operational costs.

Papermaking

Pulp & Papermaking

Delivering high-charge retention and drainage aids. Enhances sheet formation, accelerates process drainage rates, and recovers fine fibers from white water systems.

Drinking Water Treatment

Drinking Water Treatment

Providing high-purity, low-impurity coagulants (such as food-grade PAC) for public municipal treatment plants, ensuring compliance with heavy metal regulations.

Advanced OEM/ODM & Technical Services

Providing tailor-made formulations and lab-guided optimizations to meet complex purification challenges.

Technical Team

Technical Team

Our expert chemical engineers provide "water quality analysis + customized formulation" services, optimizing process performance and dosage economics.

Stable Capacity

Stable Capacity

Our annual sales volume exceeds 500,000 tons, supported by a state-of-the-art 20,000-ton warehouse for rapid global supply deployment.

Worry-Free Supply

Worry-Free Supply

Intelligent production lines coupled with continuous quality inspection ensure maximum batch consistency and minimized dispatch delays.

Company Milestones

Over two decades of sustainable expansion, technological progress, and global cooperation.

IN 1998

The factory was established in Wuxi, Jiangsu Province, focusing on chemical precipitation technologies.

IN 2005

The enterprise officially renamed as Wuxi Bisheng Water Treatment Agent Co., Ltd., upgrading synthesis lines.

IN 2007

Products successfully qualified for global standards and began distribution to overseas clients.

IN 2021

Annual foreign trade sales crossed the threshold of $10,000,000 USD, serving top-tier EPCs.

IN 2025

Establishment of the dedicated foreign trade service center, ensuring direct communication with buyers.

Frequently Asked Questions & Technical Insight

Expert insights on choosing, storing, and applying flocculating and coagulating chemistry.

What is the difference between coagulants and flocculants?
Coagulants are typically metallic salts (such as Polyaluminum Chloride or Ferric Chloride) with high positive charges that destabilize negatively charged colloidal particles in the water. Flocculants are high molecular weight polymers (like PAM) that act as bridging agents to group the destabilized particles into larger, heavy flocs for easy precipitation.
How do you determine the correct Polyacrylamide (PAM) ionic charge for sludge?
Cationic Polyacrylamide (CPAM) is most effective for organic sludge, such as municipal waste or food processing residue. Anionic Polyacrylamide (APAM) works best with mineral, inorganic suspensions like mining wastes, metal wash waters, and sand washing slurries. Jar testing is the standard laboratory method to verify the exact charge density needed.
Why choose Polyaluminum Chloride (PAC) over Alum?
PAC is pre-hydrolyzed, meaning it works over a much wider pH range and reacts faster at lower water temperatures than alum. Additionally, PAC leaves less dissolved aluminum residue, forms larger flocs, and produces substantially less sludge volume, reducing disposal costs.
How should water treatment polymers be stored?
Solid powders must be stored in cool, dry, and well-ventilated warehouses, protected from moisture and humidity. Liquid forms (like PAC liquid or PDADMAC) should be kept in corrosion-resistant plastic (HDPE) or fiberglass vessels, away from extreme heat and freezing temperatures to prevent physical separation.

Latest Industry News & Technological Updates

Track our research developments, product releases, and international conference participations.

Wuxi BS Water Treatment Global Layout

Global Layout & Deep Local Cultivation

Deeply involved in the water treatment sector, Wuxi BS Water Treatment launches integrated international service programs to serve rising global demand...

Read Full Story →
Digital Intelligent Feeding Equipment

Digital Solid Feeding Equipment Integration

In 2025, Wuxi BS officially integrated advanced digital solid feeding equipment into production lines to optimize dosage uniformity and ensure stable active content...

Read Full Story →
Innovation and Development Conference

2025 Coagulant & Flocculant Innovation Summit

Participating in the Joint Advancement of Beautiful China Initiative, sharing technological advancements in environmental preservation and carbon reduction...

Read Full Story →

To Know More About BS, Please Contact Us!

Get in touch with our lab engineers and sales managers today. We will assist you with chemical selection, jar test evaluations, and free samples.

Complete Water Treatment Product Catalog

Explore our full industrial line of chemical flocculants and coagulants, shipped directly from our ISO-certified facilities.

Wholesale Cationic Polyacrylamide

Cationic Polyacrylamide (CPAM)

Learn More
Poly Aluminium Chloride Solid version

PAC Solid version Granules

Learn More
Wholesale Polyaluminium Chloride Liquid

Polyaluminium Chloride Liquid

Learn More
China PAC Liquid Supplier

Liquid PAC (10%-15% Active)

Learn More
Polyaluminium Chloride Liquid Transparent

Transparent PAC Liquid

Learn More
High Basicity Aluminum Chlorohydrate

High Basicity ACH

Learn More
Polyaluminium Chloride Liquid Colorless

Light Yellow PAC Liquid

Learn More
Cationic Water Decolorizing Agent

Cationic Decolorizing Agent

Learn More