Abstract
The adsorption of phenol by carbon sorbents obtained by the carbonization (800°C, 1 h) of coals of different ranks in the presence of potassium hydroxide, which was introduced by mechanochemical treatment at a KOH/coal weight ratio of 1.0 g/g, was studied. The specific surface areas and micropore volumes of the obtained samples varied within the limits of 900–1400 m2 and 0.26–0.47 cm3/g, respectively. The kinetics of phenol adsorption from solutions with an initial phenol concentration of 0.1–3.0 mg/mL at 20°C was studied. The effectiveness of the adsorption of phenol, the order of reaction, and the rate-limiting stage were determined.
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Original Russian Text © N.I. Fedorova, T.S. Manina, Z.R. Ismagilov, 2015, published in Khimiya Tverdogo Topliva, 2015, No. 1, pp. 33–38.
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Fedorova, N.I., Manina, T.S. & Ismagilov, Z.R. Adsorption of phenol by carbon sorbents based on oxidized coals. Solid Fuel Chem. 49, 30–35 (2015). https://doi.org/10.3103/S0361521915010048
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DOI: https://doi.org/10.3103/S0361521915010048