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- W4280589024 endingPage "129174" @default.
- W4280589024 startingPage "129174" @default.
- W4280589024 abstract "Hierarchically porous activated Starbons® derived from starch are found to make excellent adsorbents for methylene blue, even in the presence of other dyes and inorganic salts, highlighting their potential to be used in water purification. The optimal material (S950C90) has a methylene blue adsorption capacity (891 mg g-1) almost nine times higher than that of unactivated S800 and four times higher than that of commercial activated carbon at 298 K. The adsorption of methylene blue onto optimal materials (S950C90 and S800K4) reaches equilibrium within 5 min. Adsorption data for all the adsorbents show a good fit to the Freundlich isotherm which allows the Gibbs free energies of adsorption to be calculated. The adsorption capacities increase as the pH of the methylene blue solution increases, allowing the dye to be desorbed by treatment with acidic ethanol and the Starbon® materials reused. Porosimetry and SEM-EDX imaging indicate that methylene blue adsorbs throughout the surface and completely fills all the micropores in the Starbon® adsorbent. The methylene blue adsorption capacities show excellent correlations with both the BET surface areas and the micropore volumes of the materials." @default.
- W4280589024 created "2022-05-22" @default.
- W4280589024 creator A5007470779 @default.
- W4280589024 creator A5027434411 @default.
- W4280589024 creator A5076698958 @default.
- W4280589024 creator A5077173336 @default.
- W4280589024 creator A5084846204 @default.
- W4280589024 date "2022-08-01" @default.
- W4280589024 modified "2023-10-16" @default.
- W4280589024 title "Rapid and efficient adsorption of methylene blue dye from aqueous solution by hierarchically porous, activated starbons®: Mechanism and porosity dependence" @default.
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