Q » What is the mechanism of adsorption in powdered activated carbon (PAC)?

03 Nov, 2025

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A » Powdered activated carbon (PAC) adsorbs impurities through a process where contaminants adhere to its extensive surface area, facilitated by micro and mesopores. The carbon's porous structure and high surface area promote physical adsorption, primarily via Van der Waals forces, while chemical adsorption may occur with certain compounds. This makes PAC effective for removing organic pollutants, chlorine, and other contaminants, enhancing water purification.

Michael

03 Nov, 2025

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A »Powdered activated carbon (PAC) adsorbs contaminants through van der Waals forces and electrostatic interactions. Its high surface area and porous structure enable effective adsorption of organic compounds, taste, and odor-causing substances. PAC's adsorption mechanism involves surface diffusion, pore diffusion, and adsorption onto the carbon surface, effectively removing impurities from water.

David

03 Nov, 2025

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