Anionic surfactant is one of the oldest, most productive and most varieties of surfactants. The structure of anionic surfactant is divided into: sulfonates and sulfates, which are the main categories of anionic surfactants. The various functions of surfactant are mainly manifested in changing the properties of liquid surface, liquid-liquid interface and liquid-solid interface, of which the surface of liquid is the most important.
The structure of anionic surfactants is divided into four categories: carboxylate, sulfonate, sulfate and phosphate.
Anionic polyacrylamide (APAM) is water-soluble polymer, is mainly used for all kinds of industrial waste water flocculation sedimentation, precipitation clarification treatment, such as steel mill wastewater, electroplating factory wastewater, metallurgical waste water, coal washing waste water and sewage treatment, sludge dewatering, etc. It can also be used to clarify and purify drinking water. Due to its molecular chain contains a certain number of polar groups, it can through the adsorption of solid particles suspended in water, make the bridge between particles or by charge neutralization particles condensed to form large flocculate, so it can accelerate particle in the slurry settlement, there is a very significant to speed up the solution to clarify, promote such as filtering effect.
Shaoxing Shangyu Simo Research institute of organic Chemistry
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