What are the polymer coagulants suitable for wastewater that are anionic, nonionic, cationic, and amphoteric?
■What are the characteristics of anionic polymer coagulants? They have a large molecular weight of 10 million to 20 million and exhibit excellent coagulation effects with a small amount of usage. However, due to significant changes in effectiveness with pH, they are used in neutral to alkaline industrial wastewater. It is common practice to first neutralize the negatively charged suspended solids in wastewater with positively charged inorganic coagulants before treating them with anionic polymer coagulants. ■What are the characteristics of nonionic polymer coagulants? Although their molecular weight is slightly smaller than that of anionic coagulants, they are characterized by their ability to maintain effectiveness even in acidic conditions. Therefore, they are used for the purification of acidic to neutral industrial wastewater. ■What are the characteristics of cationic polymer coagulants? They are primarily used to promote the dewatering of sludge generated from urban sewage or industrial wastewater. By neutralizing the suspended solids in negatively charged sludge, they create aggregates that drain well, allowing for efficient dewatering of the sludge. ■What are amphoteric polymer coagulants? These are types that possess both positive and negative charges within the molecule. For sludge that contains a high amount of organic matter, where cationic coagulants alone do not provide sufficient dewatering effects, the combined use of inorganic coagulants and amphoteric polymer coagulants can enhance effectiveness. Please feel free to consult us first.
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Classification: Anionic / Nonionic / Cationic / Amphoteric
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We have experience in the introduction of coagulants and sludge dewatering in various plants and factories. Please feel free to consult with us first.
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