The coking wastewater decolorizing agent is specifically developed for treating coking wastewater and offers significant advantages. It rapidly decolorizes wastewater by quickly binding with chromophoric substances, effectively removing color and clarifying the water in a short time. It exhibits excellent flocculation performance, aggregating fine suspended particles and colloids into larger flocs for easy sedimentation and separation. The agent demonstrates strong adaptability, maintaining high efficiency across the complex water matrix of coking wastewater and over a wide pH range. Requiring only a low dosage, it is cost-effective and economically practical. Additionally, it provides a certain degree of purification by reducing pollutants such as COD in the wastewater, thereby helping coking wastewater meet discharge standards and minimizing environmental impact.
Product Introduction:
Coking wastewater decolorizing agents primarily work through chemical reactions to break down or otherwise remove pigment molecules from the wastewater, thereby reducing its color intensity to meet national discharge standards and enabling safe release. Common types of coking wastewater decolorizing agents include the following:
Chlorine: It has strong oxidizing properties and can effectively decompose organic pigments in wastewater, but it is harmful to the environment and human health, and its use must be strictly controlled.
Ozone: A highly effective decolorizing agent that rapidly performs deep oxidation of wastewater, breaking down organic compounds. However, its generation and operational costs are relatively high.
Activated carbon: A physical adsorbent that removes colorants and certain organic compounds from wastewater through physical adsorption. It is easy to use and does not cause secondary pollution.
Coagulants: When added, they cause suspended solids and colloids in the wastewater to aggregate, eventually settling out and being removed, thereby achieving decolorization.
Product Advantages:
Highly targeted: Specifically designed to address the complex composition, recalcitrance, and high toxicity of coking wastewater, effectively removing color-causing substances such as benzene derivatives, phenolic compounds, ammonia nitrogen, and other volatile organic compounds.
Multifunctional: Some decolorizing agents not only remove color but also offer additional functions such as flocculation and COD reduction—for example, the NQ-02 specialized decolorizing agent for coking wastewater. Others can simultaneously remove multiple harmful contaminants from wastewater, including phenols, cyanides, oils, and ammonia, such as those based on quaternary ammonium salts.
Environmental friendliness: Some decolorizing agents are non-polluting—for instance, those formulated from quaternary ammonium salts. Activated carbon, when used as a decolorizing agent, also produces no secondary pollution.
Cost-effectiveness: In practical applications, higher treatment efficiency and economic benefits can be achieved by combining multiple decolorizing agents or using them in conjunction with other chemicals. For example, when treating coking wastewater with high color intensity and COD<sub>Cr</sub>, using a specialized decolorizing agent together with polyaluminum chloride (PAC) can reduce overall treatment costs.
Service Industries:
Decolorizing agents for coking wastewater are primarily used in the coking industry to treat wastewater generated during coke oven production. Additionally, decolorizing agents have broad applications in wastewater treatment and can also serve the following industries:
Textile dyeing industry: Removing the high concentrations of dyes present in wastewater generated during the dyeing process.
Pulp and paper industry: Removing pigments from pulp to enhance paper brightness and quality, and reducing color in wastewater.
Food processing industry: Removing impurities and pigments from edible oils, sugar products, and other food items to enhance product purity and clarity.
Pharmaceutical and chemical industry: Removing pigments, certain organic compounds, and heavy metal ions from pharmaceutical and chemical wastewater to reduce its toxicity.
Textile industry: Assisting in adjusting fabric color to meet customer requirements.
Leather industry: Treating wastewater generated during leather production, which contains high levels of pigments and pollutants.
Municipal wastewater treatment: Improving the quality of urban sewage by removing pigments and pollutants.
With five branch offices and more than ten representative offices nationwide, covering the entire country, and physical water treatment plants at the source.
We offer research, development, production, and sales of chemical reagents, and can customize water treatment reagents according to customer needs.
We have served over 2,000 clients across more than 100 industries, providing comprehensive customized treatment formulas for coagulation, flocculation, decolorization, demulsification, and removal agents.
Strategic partner for water treatment chemical production; a leading water treatment chemical manufacturer; connecting with the global market.
Reply within one hour of receiving the call
Monthly customer follow-ups ensure customer rights are protected.
Complaints will be responded to within 12 hours and will arrive within 24 business hours.
Professional engineers provide customized solutions to wastewater problems.
