Solid decolorizing agents offer multiple advantages. They are convenient to store and transport, eliminating concerns such as leakage associated with liquid decolorizing agents. These agents exhibit high decolorization efficiency, rapidly binding with colored substances to significantly reduce the color intensity of wastewater and achieving excellent decolorization results in a short time. They have a broad application range and are suitable for decolorizing wastewater from various industries, including textile dyeing, papermaking, and chemical manufacturing. Additionally, solid decolorizing agents possess stable chemical properties, maintaining their effectiveness across a wide range of pH levels and temperatures. Their usage is straightforward—simply add the agent directly into the wastewater and stir. Moreover, certain solid decolorizing agents also function as flocculants, simultaneously removing suspended solids from the water while decolorizing, thereby delivering dual benefits in a single treatment step.
Product Introduction:
Solid decolorizing agent is a chemical reagent used to remove or reduce the color of certain substances. Based on their mechanism of action, they can be classified into adsorption-type, oxidation-type, and flocculation-type agents.
Adsorption-type solid decolorizing agents typically use activated carbon, fuller’s earth, or adsorption resins. They can directly remove impurities and oxidation products from oils through filtration, achieving functions such as purification, deodorization, decolorization, and separation, thereby transforming darkened oils into light-colored, transparent liquids.
氧化型固体脱色剂：利用氧化性物质如次氯酸钠、高锰酸钾等，破坏有色基团以达到去除色度的目的。
Flocculation-type solid decolorizing agents are primarily cationic quaternary ammonium salt-based polymeric compounds, appearing as white powders. They are organic high-molecular-weight composite polymers classified as flocculating decolorizing water treatment agents. These agents work by blocking the hydrophilic groups of dyes, thereby reducing their hydration, and exhibit dual functions of flocculation and precipitation.
Product Advantages:
Excellent treatment performance: The agent offers a broad decolorization range and achieves high removal efficiencies for color, suspended solids (SS), chemical oxygen demand (COD), and biochemical oxygen demand (BOD) in wastewater. It effectively reduces pollutants and color intensity in water, significantly improving effluent quality. Treated wastewater can meet national discharge standards for color.
Strong adaptability: Formulations can be tailored to suit different types of wastewater, meeting clients' on-site requirements. The agent generates dense flocs that are readily dispersible in water, resulting in minimal sludge production. Its dosing process is simple and does not interfere with the biological treatment system.
Lower cost: Compared to certain organic decolorizing agents, it is more economical and non-toxic to microbial systems.
Service Industries:
Industrial wastewater treatment: Applicable to high-color wastewater from a wide range of industries, including food processing, anodizing, textile dyeing and printing, hardware manufacturing, papermaking, pigment production, oily wastewater, chemical processing, aquaculture, ink manufacturing, oilfields, cleaning operations, pharmaceuticals, and daily chemical products.
Other applications: It can also be used in processes such as sand and gravel washing, silt cleaning, slurry-solid separation, cement mortar, and concrete treatment. Additionally, it serves as a strength additive, sizing agent, and charge neutralizer in papermaking.
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