Wuxi BS Water Treatment Chemicals Co., Ltd.

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Water decoloring agent (1).JPG

High Efficient Water Decolorizing Agent (WDA) from China Suppliers - Advanced Cationic Polymer for Wastewater Treatment Factory

  • Product Name Water decoloring agent
  • CAS No. 55295-98-2
  • Molecular Formula Composite polymer
  • HS Code 38099100
  • Appearance Colorless transparent liquid

Product Form

This cationic polymer is specifically engineered for the treatment of colored wastewater, providing an all-in-one solution as a comprehensive water treatment agent. With its multifunctional capabilities, it effectively performs decolorization, flocculation, sedimentation, and COD reduction. Sourced from trusted China suppliers, our product ensures high-quality performance and reliability. Our factory adheres to stringent manufacturing standards to deliver an exceptional wastewater treatment solution that meets diverse industrial needs
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Product Details

Core Features
Multi-mechanism Synergy

Integrating adsorption bridging, flocculation (cationic polymer bridging), and oxidation (trace oxidant decomposing pigments) into one, it achieves a decolorization rate of ≥95% (COD removal rate ≥40%) for refractory pigments such as reactive dyes (e.g., reactive red, reactive blue), direct dyes (e.g., direct yellow, direct black), and sulfur dyes.

Water decoloring agent (2)
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Broad pH Adaptability

Stable effectiveness at pH 3–11 (optimal pH 6–9), resistant to high salt (salinity ≤5%), and high temperature (no performance degradation below 60°C), suitable for over 90% of industrial wastewater scenarios such as printing and dyeing (high chroma), papermaking (black liquor), electroplating (chromium/copper-containing wastewater), chemical industry (phenol/aniline-containing wastewater), etc.

Quick Results

Large flocs form within 3 minutes after dosing, with a fast settling speed.

Technical Specifications
Parameter Index
Appearance Colorless transparent liquid
pH (10g/L aqueous solution) 3 ～ 5
Ionicity Cationic
Solid Content >50%
Viscosity (20°C) 50 – 250 mPa·s
Relative Density (25°C) 1.2 – 1.3
Application Area
  • 1. Wastewater Treatment in the Dye Industry Primarily addressing the decolorization needs of colored wastewater from dye production enterprises, it can be adapted to various types of dye wastewater, including reactive dyes, acid dyes, disperse dyes, etc.; especially in the treatment of disperse dye wastewater, its decolorization performance is more prominent.
  • 2. Textile Dyeing and Related Industrial Wastewater Suitable for purifying mixed wastewater generated during textile dyeing and processing, and can also be extended to industrial wastewater treatment scenarios in areas such as pigment preparation, ink production, and the paper industry.
  • 3. Auxiliary Treatment of High-Suspended Solids Wastewater For wastewater systems with relatively high suspended solids content, this product can achieve significant sedimentation through flocculation, thereby assisting in reducing the content of solid impurities in the wastewater.
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Packaging and Storage

• Liquid Type: 200L Plastic Drum / 1000L IBC Tote

• Storage Conditions: Keep in a cool and well-ventilated place, away from direct sunlight.

200L barrelContainer liquid bag shipment
Frequently Asked Questions
Q What types of dyes can this water decoloring agent effectively treat?
This water decoloring agent is effective against a wide range of dye types, including reactive dyes (e.g., reactive red, reactive blue), direct dyes (e.g., direct yellow, direct black), sulfur dyes, acid dyes, and disperse dyes. It achieves a decolorization rate of ≥95% for most refractory pigments commonly found in industrial wastewater.
Q What is the optimal pH range for using this decoloring agent?
The product maintains stable effectiveness across a broad pH range of 3–11, with the optimal performance achieved at pH 6–9. This wide adaptability makes it suitable for the vast majority of industrial wastewater treatment scenarios without requiring strict pH pre-adjustment.
Q How quickly does the decoloring agent work after dosing?
The decoloring agent acts rapidly. Large, visible flocs begin to form within approximately 3 minutes after dosing, followed by fast sedimentation. This quick action minimizes treatment time and improves overall wastewater processing efficiency.
Q Is this product suitable for high-salinity or high-temperature wastewater?
Yes. The decoloring agent is specifically formulated to resist challenging conditions. It remains effective in high-salinity environments (salinity ≤5%) and shows no performance degradation at temperatures up to 60°C, making it ideal for demanding industrial wastewater streams.
Q What packaging options are available and how should the product be stored?
The product is available in two packaging formats: 200L plastic drums and 1000L IBC totes, catering to different usage scales. For storage, it should be kept in a cool, well-ventilated area away from direct sunlight to maintain product quality and shelf life.
Q Can this decoloring agent also reduce COD and suspended solids in wastewater?
Yes. In addition to achieving a decolorization rate of ≥95%, the product also delivers a COD removal rate of ≥40% through its integrated oxidation mechanism. For wastewater with high suspended solids content, the flocculation action provides significant sedimentation, effectively reducing solid impurity levels in the treated water.