Dyeing of textiles uses large quantities of water and generates large volumes of wastewater. This waste may include the recalcitrant pollutants such as colorants, chemical oxygen demand (COD), and heavy metals. These contaminants complicate the treatment process, particularly in processes that have large amounts of synthetic dyes. The polyaluminium chloride pac is one of the solutions to dyeing effluents. It provides a quick and effective coagulation and helps achieve environmental regulation in the textile industry.
Management of Color-Intensive Effluents
Color is a significant issue in textile wastewater, especially with synthetic and reactive dyes. These dyes form powerful chromophores that cannot be broken down easily. PAC interacts with dye molecules and other suspended particles, thereby enhancing agglomeration. The color is removed by this flocculation process by sedimentation. PAC is particularly effective at acidic and neutral pH values, with high rates of color reduction. A potent charge neutralization disconnects the water-dye molecule bonds, and it makes the elimination of color faster and more thorough.
Effective COD and TSS Removal
COD is a measure of the oxygen requirement of wastewater and usually rises when dyeing is done. PAC is beneficial in reducing COD by degrading the large organic molecules in dyes and auxiliaries. The compound destabilizes emulsions and separates oily materials. This helps eliminate total suspended solids (TSS) in the water. As a pretreatment measure, PAC pretreats wastewater to be used in biological treatment systems by reducing the pollutant load. This leads to greater biodegradability and increased downstream performance.
Improving Water Reusability in the Textile Industry
In new dyeing plants, water reuse comes to the fore. PAC-treated water is clear with low residual contaminants. It is appropriate for use in non-potable reuse, such as rinsing, scouring, or boiler feed. The significant cost savings associated with reducing reliance on freshwater are realized in water-scarce areas. The PAC-treated water can be integrated into closed-loop systems, which can assist textile facilities in preserving resources and operating sustainably.
Temperature and Variable pH Stability
The textile processes involve numerous fibers, such as cotton, polyester, viscose, and operations that require changing pH and temperature. PAC is robust under such fluctuations. PAC does not require an overdose to work as a coagulant in streams of hot rinse and alkaline scouring. This chemical versatility is essential to the plants that work with a variety of fabrics and dyes. PAC will guarantee uniformity in the outcome of the treatment in the various phases of textile manufacturing.
Incorporation into Dyeing Plant Processes
PAC can be incorporated easily into multi-stage wastewater treatment systems. It may be used as a main coagulant or in combination with other treatment chemicals. It is also compatible with alkalis, defoamers, and dispersing agents in dyeing. A significant advantage of PAC is that it produces minimal sludge. In contrast to traditional coagulants, PAC generates compact and sludge that is simple to manage. This decreases handling expenses and the sludge disposal rate. Rapid sedimentation properties of PAC also reduce the total treatment time, enhancing the process efficiency.
Likuns Personalized PAC Solutions to the Textile Industry Demands
Likun Materials provides PAC formulas that are specific to textile dyeing wastewater. Such products are formulated to take high color loads and heavy organic loads. Each batch goes through stringent quality control involving a modern laboratory to certify that it is pure, soluble, and contains the desired amount of aluminum oxide. Likun PAC will have low insoluble matter, which translates to less residual waste and shorter reaction times. In the dyeing areas with a high ratio of exporting, Likun also provides stable logistics and tailor-made packaging services to clients.
Likun keeps more than 5,000 tons in stock at any given moment, which makes it possible to deliver them in time. Likun products are PAC with decades of experience, and they are ISO/SGS certified. It has established trust in more than 60 countries, specifically in Southeast Asia, Africa, and the Middle East. The fact that Likun can tailor PAC concentration, granule size, and packaging makes it a perfect ally of a textile manufacturer.
Conclusion
Textile dyeing has complex wastewater that needs reasonable solutions. The use of PAC is crucial for color removal, COD, and enabling water reuse. It is stable over a wide temperature ranges and pH, making it ideal for various dyeing techniques. PAC increases the efficiency of the operation due to low sludge production and compatibility with previous treatments. Likun Materials is the first to provide quality and reliable PAC products that are specific to the textile industry. It has also maintained an excellent level of product safety, performance, and global standards, resulting in stable results in the treatment of products in dyeing clusters globally.
