A polymer is a macromolecule composed of one or more molecules or molecular groups (structural units or monomers) bonded together by covalent bonds to form multiple repeating monomer units. These molecules or groups of molecules are called "monomers," and a polymer may have branches or just be a straight line of molecules, with each one …
With the rapid development of industry, sewage discharge is increasing day by day, and sewage treatment has become an important task at present. Polyacrylamide, as an efficient and low-cost sewage treatment agent, is widely used in the field of sewage treatment. However, people can't help but ask, will there be any toxic residue after polyacrylamide …
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The water crisis is severe, and water and wastewater treatment needs to be strengthened. Polyacrylamide is effective for sewage. It is recommended to use coagulation, sedimentation, filtration process, combined with reverse osmosis technology for desalination and purification. Use polyaluminium chloride and polyacrylamide as flocculants to achieve stable water quality and reduce pollution Water has become …
How much polyacrylamide is used for 1 ton of water? Polyacrylamide (PAM) is a polymer compound that is usually used in water treatment and soil improvement. In water treatment, especially when treating large amounts of sewage or mine wastewater, polyacrylamide can have a good decontamination effect. Dosage of polyacrylamide The amount of polyacrylamide used depends …
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Flocculant is a general term for many products, which are divided into two categories: inorganic flocculants and organic flocculants. Inorganic flocculants are the most used. Inorganic flocculants are divided into anionic, cationic, nonionic and zwitterionic types. Polyacrylamide is a type of inorganic flocculant, so we can call polyacrylamide a flocculant, but we cannot call flocculants …
The difference between anions and cations of polyacrylamide is mainly reflected in the following aspects: 1. Charge properties: Anionic polyacrylamide carries a negative charge, while cationic polyacrylamide carries a positive charge. 2. Coordination structure and ion exchange capacity: Anionic polyacrylamide has a higher coordination structure and lower ion exchange capacity, while cationic polyacrylamide, on the …
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Polyacrylamide is generally a non-toxic product and a chemical substance, but the raw materials are toxic, so try not to contact it for a long time. If polyacrylamide is contacted occasionally, it will not harm the body, so don't worry too much. If it is contacted for a long time, it may cause local skin …
There are many polyacrylamide models, and the molecular weight of each model is also different, some products can reach more than 10 million molecular weight, and some products have only a few million molecular weight. The molecular weight of the cationic polyacrylamide is lower than the molecular weight of the anion, then how to determine …
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There are many methods for water treatment, such as adsorption, chemical oxidation, electrodialysis, biochemistry and ion exchange, etc. As one of the oldest water treatment methods, flocculation precipitation is a more effective and low-cost pretreatment method. Nowadays, it has been widely used in the field of water treatment at home and abroad. The principle of …
Polyacrylamide is a polymer compound with a linear or cross-linked structure that can be obtained by polymerization. It can form high molecular weight aqueous solution when dissolved, and has good fluidity and stability. The special properties of polyacrylamide make it play an important role in many fields. Application of environmental protection 1. Sewage treatment As …
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