China Water And Water Treatment Supplier & Factories

Decades of Chemical Synthesis Expertise, Resilient Supply Chains, and Global Engineering Support for Municipal and Industrial Purification Ecosystems

Advanced Water Treatment Formulations

High-performance polymeric flocculants, coagulants, and organic active solutions engineered to deliver optimal molecular weights and charge densities.

Wholesale Poly Aluminium Chloride (PAC)

Wholesale Poly Aluminium Chloride (PAC) Suppliers in China - High-Quality Solid Powder/Granules

View Product Specifications
High Purity PAC-01

Wholesale High Purity Poly Aluminium Chloride (PAC-01) - Water Treatment Solutions Manufacturer

View Product Specifications
Compound PAC

Wholesale Compound Poly Aluminium Chloride Manufacturer & Factories

View Product Specifications
Water Decoloring Agent

Wholesale High Efficiency Water Decoloring Agent (WDA) - Cationic Polymer for Wastewater

View Product Specifications
Anionic Polyacrylamide

Wholesale Anionic Polyacrylamide (APAM) for Water Treatment - Leading Flocculant Manufacturers

View Product Specifications
PDADMAC Solutions

China High-Quality PDADMAC Suppliers & Poly(diallyldimethylammonium chloride) Factory Solutions

View Product Specifications
Solid PAC Version

Wholesale Poly Aluminium Chloride (PAC) Solid Version Supplier & Industrial Distributors

View Product Specifications
Liquid PAC Version

China PolyAluminium Chloride (PAC) Liquid - High Purity 10%-15% Active Ingredient Manufacturer

View Product Specifications
Technical Whitepaper

The Chemistry of Coagulation & Advanced Flocculation

Modern wastewater reclamation demands a thorough command over chemical kinetics, molecular configurations, and surface chemistry. Coagulation and flocculation represent the operational core of primary and tertiary separation systems. Inorganic coagulants like Polyaluminium Chloride (PAC) work primarily by reducing the electrostatic charge (zeta potential) of colloidal systems. By lowering these repulsive forces, colloidal particles collide and form microflocs.

When synthetic polymers like Polyacrylamide (PAM) are added, polymer bridging occurs. The long polymer chains attach to multiple microflocs, forming larger, heavier macroflocs that settle out of suspension quickly. Choosing the right molecular weight, charge density, and ionic properties is crucial to achieving clean separation in industrial centrifuges, dissolved air flotation (DAF) units, and gravity clarifiers.

Key Chemical Principle: Basicity in PAC
Basicity is defined as the ratio of hydroxyl groups to aluminum atoms: $[OH]/[3Al]$. High basicity (such as in PAC-01 formulations, typically 75%-85%) ensures a higher concentration of pre-hydrolyzed polymeric aluminum species, particularly the highly stable $Al_{13}$ Keggin structure. This delivers superior charge neutralization, generates less acid during hydrolysis, and forms larger flocs compared to traditional alum.

Active Chemical Profiles & Structural Dynamics

Different pollutants require specific molecular structures to settle out effectively:

  • Polyaluminium Chloride (PAC): Multi-valent polymeric aluminum complexes ($Al_n(OH)_mCl_{3n-m}$) that provide rapid charge neutralization. Available in solid powder (28%-30% $Al_2O_3$) and liquid formulations (10%-15% $Al_2O_3$) to suit different plant dosing systems.
  • Polyacrylamide (PAM): High-molecular-weight organic polymers. Anionic PAM (APAM) is highly effective at flocculating inorganic clays, minerals, and metal hydroxides through loop-and-tail bridging. Cationic PAM (CPAM) is ideal for organic sludge dewatering in municipal and biological wastewater systems.
  • Water Decoloring Agent (WDA): Highly active dicyandiamide-formaldehyde copolymer. WDA works by neutralizing the anionic charges on soluble dye chromophores (particularly acid, reactive, and disperse dyes). This alters their solubility and causes them to precipitate out of suspension.
  • PDADMAC (Poly diallyldimethylammonium chloride): A highly charged cationic polymer that remains stable across a wide pH range. It is used as a primary coagulant and filtration aid, effectively neutralizing colloidal organic matter and silica.

Quality Control Standards

All manufacturing batches at Wuxi BS undergo strict quality testing to ensure high performance and consistency:

ISO 9001:2015 Certificated
Complete quality management system monitoring raw materials, synthesis, and final product packaging.
NSF/ANSI Standard 60
Our high-purity PAC-01 formulations meet rigorous international standards for municipal drinking water applications.
SGS & BV Inspection Ready
Independent laboratory testing is available for every export batch to verify active chemical concentrations and heavy metal limits.

27+

Years of Industrial Chemical Synthesis Experience (Est. 1998)

500k+

Tons of Annual Coagulant & Polymer Sales Volume

20,000+

Tons of Finished Product Logistics Warehousing

1,000+

Industrial Enterprises & Water Treatment Clients Served

Industrial Wastewater & Municipal Applications

Tailored chemical programs designed for municipal plants and heavy industrial facilities to meet strict environmental discharge and recycling standards.

Sewage & Industrial Wastewater

Removing heavy metals, organic compounds, and suspended solids from chemical, municipal, and food processing plant effluents using optimized PAC and cationic polymer chemistries.

Petroleum & Petrochemical

Treating highly stable oil-water emulsions. Our high-charge polymers break down oil droplets and clear up produced water to protect downstream filtration and membrane systems.

Membrane Process Pretreatment

Reducing silt density index (SDI) and chemical oxygen demand (COD) before reverse osmosis (RO) and ultrafiltration (UF) units, preventing membrane fouling and extending membrane life.

Papermaking Industries

Enhancing fiber and filler retention, accelerating sheet dewatering, and clarifying white water closed loops. This optimizes chemical consumption and improves paper strength.

Municipal Drinking Water

Providing high-purity, low-heavy-metal PAC-01 and NSF-approved flocculants for safe, reliable municipal raw water treatment, ensuring compliance with strict public health codes.

Textile Dyeing Wastewater

Using cationic decoloring polymers to target, bind, and precipitate complex textile dye molecules, breaking down chemical chromophores to achieve excellent effluent clarity.

Manufacturing Excellence

China Factory Supply Chain Resilience

As global energy and chemical markets change, maintaining a reliable supply chain is critical for large-scale water treatment plants. Wuxi BS operates automated chemical production systems that ensure stable raw material sourcing, consistent product quality, and uninterrupted global deliveries.

  • 1

    Raw Material Integration & Cost Control

    Located near major chemical manufacturing hubs, we secure long-term raw material contracts to protect our clients from sudden market price fluctuations.

  • 2

    Automated Solid-State Dosing Systems

    Wuxi BS has introduced advanced digital solid feeding systems that ensure consistent mixing, zero product degradation, and high-efficiency chemical batches.

  • 3

    Flexible Global Logistics

    With massive warehouses (holding over 20,000 tons of finished products), we quickly ship both solid and liquid chemicals to international ports, ensuring reliable lead times.

Water Treatment Chemical Manufacturing Factory
500K
Annual Tonnage Capacity

A History of Innovation & Future Outlook

From local chemical synthesis to international distribution, our growth has been driven by continuous research and development.

1998

Our specialized chemical plant was established in Wuxi, Jiangsu, focused on primary industrial coagulants and municipal wastewater agents.

2005 - 2007

Renamed Wuxi Bisheng Water Treatment Agent Co., Ltd. and expanded into international markets, exporting high-purity coagulants via distributors.

2021

Annual sales reached $10M USD, driven by a growing product portfolio and rising demand from municipal water authorities worldwide.

2025 & Beyond

Wuxi BS has formally established a dedicated foreign trade department and introduced digital plant systems to expand our global supply capabilities.

Technical Q&A for Procurement Professionals

Answers to common chemical queries, packaging options, and product applications for water treatment systems.

1. How does PAC basicity affect chemical usage and treatment costs?
Basicity measures the hydroxyl concentration of Polyaluminium Chloride (PAC). Formulations with higher basicity, like PAC-01 (75%-85% basicity), pre-hydrolyze quickly in water, neutralizing charge and forming flocs rapidly. Higher basicity also minimizes changes in the water's pH, reducing the need for post-treatment pH adjusters (like caustic soda or lime) and lowering overall operating costs.
2. What are the key differences between APAM, CPAM, and NPAM in sludge dewatering?
Anionic Polyacrylamide (APAM) has a negative charge and is typically used to aggregate inorganic particles and minerals. Cationic Polyacrylamide (CPAM) carries a positive charge, making it ideal for organic municipal sludge and biological solids by neutralizing negatively charged organic matter. Non-ionic Polyacrylamide (NPAM) is uncharged and performs well in highly acidic conditions, helping to bridge organic fibers and minerals.
3. How does the Water Decoloring Agent (WDA) target and remove dye colors?
WDA is a highly active cationic copolymer. It binds with the sulfonic and carboxylic acid groups on soluble dye molecules (such as reactive, acid, and disperse dyes), forming insoluble organic salts that precipitate. This clears the color from the wastewater and aids downstream sedimentation and filtration.
4. What packaging and storage options do you provide for international shipping?
For dry powders (PAC, PAM), we supply standard 25kg PP woven bags with PE inner liners, as well as 1-ton bulk bags. For liquid formulations (PAC liquid, PDADMAC, WDA), we offer 200L drums, 1000L IBC tanks, or flexitanks. Dry products should be stored in cool, ventilated warehouses away from moisture to prevent caking, while liquid chemicals must be kept above freezing temperatures.
5. What is the typical shelf life of solid versus liquid chemical formulations?
Solid chemicals (like dry PAC and PAM) have a typical shelf life of 24 months when stored in sealed bags under dry, cool conditions. Liquid chemicals (such as 10%-15% PAC liquid or liquid PDADMAC) are best used within 6 to 12 months, as chemical activity can slowly decrease over time when exposed to temperature changes.

Consult Our Chemical Engineers

Not sure which molecular weight or basicity is right for your system? Our technical team can assist with laboratory jar testing and dosage optimization. Reach out to Wuxi BS today to request product samples, SDS sheets, and volume pricing.

Direct Telephone Line

Tel: +86 13584221461

Complete the technical request form below. Our laboratory technicians will review your water quality parameters and respond promptly.

Liquid Coagulants & Custom Polyacrylamide Formulations

High-purity liquid concentrates and specialized copolymers designed for high-solid sludge dewatering and clarification.

PAC Liquid Version

Wholesale PolyAluminium Chloride (PAC) Liquid Version Factory & Bulk Shipping Options

View Product Specifications
High Purity PAC Suppliers

Wholesale High Purity Poly Aluminium Chloride (PAC-02) Suppliers in China - 10%-17% Active Ingredient

View Product Specifications
China Anionic Polyacrylamide

China Anionic Polyacrylamide (APAM) Suppliers - High-Quality Flocculant for Water Treatment

View Product Specifications
Cationic Polyacrylamide

Wholesale Cationic Polyacrylamide (CPAM) Suppliers from China - Effective Dewatering Solutions

View Product Specifications
Cationic WDA

China High Efficient Cationic Water Decolorizing Agent (WDA) for Dyeing Wastewater Treatment

View Product Specifications
High Quality PAC Liquid

Wholesale PolyAluminium Chloride (PAC) Liquid - High-Quality China Suppliers, 10%-15% Active

View Product Specifications
Composite PAC

China Suppliers of Composite Polyaluminum Chloride (CPAC) - Advanced Multifunctional Factory

View Product Specifications
Composite Flocculant

China Suppliers Factory for Composite Polyaluminum Chloride (CPAC) - Enhanced Coagulation

View Product Specifications