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For many people, only the role of polyacrylamide is known, such as municipal wastewater treatment, paper industry, food processing industry, petrochemical industry, metallurgical industry, mineral processing industry, dyeing industry and sugar industry, and wastewater treatment of various industries. It can be used as a paper dry strength agent, retention aid, filter aid, etc. in the paper industry!
For many people, only the role of polyacrylamide is known, such as municipal wastewater treatment, paper industry, food processing industry, petrochemical industry, metallurgical industry, mineral processing industry, dyeing industry and sugar industry, and wastewater treatment of various industries. It can be used as a paper dry strength agent, retention aid, filter aid, etc. in the paper industry! But relatively speaking! What is the working principle of polyacrylamide?
The first is the principle of flocculation: when PAM is used for flocculation, it is related to the surface properties of the floc species, especially the potential, viscosity, turbidity and pH of the suspension. The potential of the surface of the particle is the cause of particle inhibition. PAM with opposite surface charge can lower the dynamic potential and agglomerate.
The second is the adsorption bridge: the PAM molecular chain is fixed on the surface of different particles, and a bridge of polymers is formed between the particles, so that the particles form aggregates and settle.
This is followed by surface adsorption: various adsorptions of polar group particles on the PAM molecule.
Finally, it is an enhancement: the PAM molecular chain and the dispersed phase are related to each Other through mechanical, physical, chemical, etc., and the dispersed phase is implicated to form a network.
I don't know if everyone's understanding of polyacrylamide is deeper? I believe everyone in the interpretation of Henan Huaquan! More and more understanding of the water treatment industry! More and more interesting!
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