Views: 1 Author: Site Editor Publish Time: 2024-03-26 Origin: Site
Activated carbon has a huge internal surface and pore distribution. Its outer surface area and surface oxidation state play a small role, and the outer surface provides many channels that communicate with the inner pores. The main function of the surface oxide is to make the hydrophobic carbon skeleton hydrophilic, giving the activated carbon an affinity for many polar and non-polar compounds. Activated carbon has surface energy, and its adsorption is caused by the imbalance of forces on the carbon atoms that make up the surface of the pore wall, thus causing surface adsorption.
Powdered activated carbon has a good adsorption effect on trichlorophenol, organic matter contained in pesticides, trihalomethanes and precursors, as well as disinfection by-products such as trichloroacetic acid, dichloroacetic acid and dihaloacetonitrile. It has good adsorption effect on color, smell, The main characteristics of powdered activated carbon application are its fast adsorption speed and strong adaptability to short-term and sudden water pollution.
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