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Polyaluminium chloride treatment of wastewater from paper mills
The pollution and damage caused by wastewater from paper mills have garnered widespread attention. Due to the presence of refractory substances such as lignin and cellulose, high chromaticity, and a high content of fine colloidal materials in papermaking wastewater, the polyaluminium chloride coagulation method is suitable for pretreatment or advanced treatment. Since pulp carries a negative charge, cationic polymeric coagulants are typically chosen. These coagulants serve multiple functions, including compressing the double layer, adsorptive neutralization, adsorptive bridging, and netting, which destabilize the pollutants in the wastewater and cause them to aggregate into large microflocculants. These microflocculants can then be separated from the wastewater, exhibiting good sedimentation properties.
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What are the uses and scope of application of PAM (polyacrylamide)?
If you have needs for PAM products or need solutions for PAM products, you can contact us. PAM is a versatile polymer with a wide range of uses and applications. In different fields, PAM through its unique performance and functions, we can provide you with a wealth of PAM products and effective solutions for various applications.
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Applications of polyacrylamide: industrial wastewater treatment
It can be widely applied in various industrial wastewater treatments, including petrochemicals, oilfield wastewater, meat processing wastewater, leather industry wastewater, brewery wastewater, MSG industry wastewater, textile printing and dyeing wastewater, food industry wastewater, electroplating wastewater, printed circuit board wastewater, sugar industry wastewater, circulating cooling water treatment, papermaking wastewater, and municipal sewage treatment, etc.
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How to add PAC coagulant to achieve the best effect?
The core objective of pursuing the optimal dosing effect of PAC is to achieve the fastest flocculation speed, the largest floc particles, and the clearest effluent water quality at the lowest dosing cost. To achieve this goal, it is necessary to systematically focus on the following key aspects: I. Accurately determine the optimal dosage II. Optimizing configuration and dosing process III. Strictly control environmental factors
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Applications of polyacrylamide: paper industry
Applications and usage concentrations in the paper industry: Used for pulp retention and drainage, wastewater recycling, dissolved air flotation, and sludge dewatering. Products used: Anionic and cationic polymers (1‰–2‰).
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Polyacrylamide also has this function in breweries!
Beer is a commonly consumed alcoholic beverage in our daily lives. However, the wastewater produced by breweries also contributes to environmental pollution on a daily basis. The distinctive feature of brewery wastewater is its large volume and high concentration of organic matter. The characteristics of brewery wastewater include high alkalinity, high temperature, high concentration of organic matter, and high difficulty in biochemical treatment. Due to the relatively high concentration of organic matter in the wastewater from breweries, there are certain difficulties in treatment. When breweries treat their wastewater, using polyaluminium chloride alone may not yield satisfactory results. It is necessary to combine it with polyacrylamide to effectively address this issue.
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What are some important things to consider when using polyacrylamide?
The above are the points to pay attention to when using polyacrylamide. We can choose different concentrations of polyacrylamide based on these characteristics to ensure its optimal use and maximize its effectiveness.
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What flocculant is suitable for highly alkaline sewage?
When dealing with highly alkaline wastewater, it is necessary to select chemicals that can maintain stability and flocculation efficiency in a high pH environment. The following categories are more suitable: Cationic polyacrylamide (PAM), Polyaluminium Chloride (PAC), Iron salt flocculants, Natural/biological flocculants
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To overcome the challenges of using polyacrylamide, please keep this guide handy
In numerous industries such as wastewater treatment, paper making, and oil extraction, polyacrylamide has become an indispensable "star agent" due to its excellent performance. However, in daily use, people often encounter various problems. Today, we will summarize common issues related to polyacrylamide to help you easily tackle any challenges you may face!
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