The pulp and paper industry is a significant consumer of water and a producer of complex wastewater. Efficient water management and effluent treatment are crucial for sustainability and operational efficiency. Polyaluminium Chloride (PAC) has emerged as a highly effective chemical aid in various stages of papermaking, from process water treatment to effluent purification, offering both performance and cost advantages.

Key Applications of PAC in Papermaking

PAC is a versatile chemical that serves multiple functions within a paper mill:

• Process Water Treatment: Raw water used in papermaking often requires clarification to remove suspended solids and organic matter that can affect paper quality and machine runnability. PAC efficiently coagulates these impurities, ensuring cleaner process water.
• Effluent Treatment: Paper mill wastewater contains dissolved and suspended fibers, fillers, dyes, and sizing agents. PAC is highly effective in decolorizing this effluent, removing suspended solids, and reducing chemical oxygen demand (COD), thereby helping mills meet environmental discharge standards.
• Retention and Drainage Aid: In the papermaking process itself, PAC can act as a retention aid, improving the retention of fine particles, fillers, and sizing agents in the paper sheet. It also enhances drainage on the paper machine, leading to faster production speeds and reduced energy consumption in drying.
• Fixing Agent: PAC can be used to fix dyes and sizing agents onto the paper fibers, improving dye fixation and reducing their release into the wastewater.

Why PAC Outperforms Traditional Coagulants in Paper Mills

Compared to traditional coagulants like Alum (Aluminum Sulfate), PAC offers several distinct benefits for the paper industry:

• Higher Efficiency at Lower Doses: PAC generally requires lower dosage rates to achieve equivalent or superior results in flocculation and clarification, leading to reduced chemical consumption and cost savings.
• Better Performance in Varying pH and Temperature: Paper mills often operate under neutral to alkaline conditions. PAC's broad pH operating range and excellent performance at lower temperatures make it more adaptable to these variable conditions than Alum.
• Reduced Sludge Volume: The lower dosage and efficient performance of PAC result in less sludge being generated, simplifying sludge handling and disposal for paper manufacturers.
• Improved Paper Quality: As a retention aid and fixing agent, PAC contributes to better paper formation, increased strength, and improved sizing efficiency, ultimately enhancing the quality of the final paper product.

Procuring PAC for Your Paper Mill Operations

For paper mills seeking to optimize their operations and improve environmental performance, sourcing high-quality Polyaluminium Chloride from a reliable supplier is paramount. NINGBO INNO PHARMCHEM CO.,LTD. is a leading manufacturer and supplier of PAC in China, offering products specifically suited for the demanding requirements of the paper industry. Our commitment to quality, consistent supply, and technical support ensures that our clients receive the best possible solution for their water treatment and papermaking process needs. When you need to buy PAC that delivers performance and value, consider NINGBO INNO PHARMCHEM CO.,LTD. as your trusted partner.

Contact us today to discuss your specific needs and explore how our Polyaluminium Chloride can benefit your paper mill.