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Vol. 26 No. 9 (2014): Vol 26 Issue 9

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Preparation and Fractal Research of Activated Carbon from Sludge with ZnCl2/CuCl2 as Activating Agent

https://doi.org/10.14233/ajchem.2014.15824
Ning Zuo
Scientific Instituteof Chongqing Southwest Port & Waterway Engineering, Chongqing Jiaotong University, Chongqing, P.R. China
De-Wei Mu
Scientific Instituteof Chongqing Southwest Port & Waterway Engineering, Chongqing Jiaotong University, Chongqing, P.R. China
Ji-Lun Miao
Scientific Instituteof Chongqing Southwest Port & Waterway Engineering, Chongqing Jiaotong University, Chongqing, P.R. China
Xia Li
Scientific Instituteof Chongqing Southwest Port & Waterway Engineering, Chongqing Jiaotong University, Chongqing, P.R. China
Xue-Mei Tan
2Environmental and Biological Engineering Institute, Chongqing Techonology and Business University, Chongqing, P.R. China

Corresponding Author(s) : Ning Zuo

Asian Journal of Chemistry, Vol. 26 No. 9 (2014): Vol 26 Issue 9

Abstract

Activated carbon was prepared with sewage sludge as raw material and ZnCl2/CuCl2 as activating agent by low tempertaure carbonization method. The optimum preparation conditions were activation temperature 534 °C, activation time 60 min, ZnCl2 concentration 3 mol/L, CuCl2 concentration 0.3 mol/L, the iodine adsorportion value was 534 mg/g. The prepared sludge carbons have a large amount of micropores, also have mesopores and macropores, with a BET surface area at 784.89 m2/g and a Langmuir surface area at 1053.69 m2/g. Adsorption of pharmaceutical wastewater on sludge activated carbon was conducted. The data were fitted by Freundlich equation. The sludge activated carbon had fractal characteristics, the iodine adsorportion value grow with the fractal dimension and the roughness.

Keywords

Activated carbon from sludge Preparation Fractal dimension Adsorption
Zuo, N., Mu, D.-W., Miao, J.-L., Li, X., & Tan, X.-M. (2014). Preparation and Fractal Research of Activated Carbon from Sludge with ZnCl2/CuCl2 as Activating Agent. Asian Journal of Chemistry, 26(9), 2691–2694. https://doi.org/10.14233/ajchem.2014.15824
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