Experimental Study on Production of Activated Carbons from Furfural Residues

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The activated carbons (ACs) were prepared by furfural residues with the activation of water vapor. The optimum condition of preparation was investigated by orthogonal experiment. The influences of carbonization temperature and time, activation temperature and time, quantity of steam on the adsorption behavior of the ACs were investigated. The experimental response varied between: 24.7-38.7% for the total yield, 29-162mg/g for the adsorption of methylene blue (AMB), 495.2-904.7 mg/g for the adsorption of iodine (AI), 113.9-524m2/g for the surface areas calculates by Brunauer-Emmett-Teller (SBET). The optimal activated carbon is obtained when using 600°C as carbonization temperature, 900°C as activation temperature and 25min as carbonization and activation time. The results indicated that under optimum conditions the methylene blue of AC was 163mg/g, the iodine of AC was 904.7mg/g, the surface areas (SBET) of AC was 524m2/g, and the Yield of AC was 30.6%.

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271-277

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January 2014

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