Abstract
The effect of the rank of coal (Cdaf = 80−95.2%) on the yield and characteristics of activated carbons prepared under the conditions of alkaline activation (800°C, 1 h, Ar) at KOH/coal ratios of 1 g/g was studied. Under these conditions, the ability of coals to form porous materials decreased in the metamorphic series. Grade D coal (Cdaf = 80%) exhibited a maximum activation ability to form a material with S BET = 1560 m2/g, V Σ = 0.71 cm3/g, and V mi = 0.51 cm3/g. A minimum activation ability was found in anthracite (Cdaf = 95.2%), which forms activated carbon with poorly developed porosity (S BET = 306 m2/g, V Σ = 0.15 cm3/g, and V mi = 0.11 cm3/g).
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Original Russian Text © Yu.V. Tamarkina, V.A. Kucherenko, T.G. Shendrik, 2013, published in Khimiya Tverdogo Topliva, 2013, No. 1, pp. 3–7.
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Tamarkina, Y.V., Kucherenko, V.A. & Shendrik, T.G. Alkaline activation of the donbass coals of different ranks. Solid Fuel Chem. 47, 1–6 (2013). https://doi.org/10.3103/S0361521913010096
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DOI: https://doi.org/10.3103/S0361521913010096