2014 Volume 8 Issue 11
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Liang Xin, Ning Xunan, Lin Chaoping, Li Ruijing, Wang Yujie, Liu Jingyong, Yang Zuoyi. Optimization of preparation conditions for activated carbons from textile dyeing sludge and sawdust using response surface methodology based on CCD[J]. Chinese Journal of Environmental Engineering, 2014, 8(11): 4937-4942.
Citation: Liang Xin, Ning Xunan, Lin Chaoping, Li Ruijing, Wang Yujie, Liu Jingyong, Yang Zuoyi. Optimization of preparation conditions for activated carbons from textile dyeing sludge and sawdust using response surface methodology based on CCD[J]. Chinese Journal of Environmental Engineering, 2014, 8(11): 4937-4942.
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Optimization of preparation conditions for activated carbons from textile dyeing sludge and sawdust using response surface methodology based on CCD

  • 1.

    School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China

  • Received Date: 11/12/2013
    Accepted Date: 09/10/2013
    Available Online: 07/11/2014
    Fund Project:
  • Textile dyeing sludge and sawdust were used to produce activated carbon with NaOH activation method.The effects of activation temperature,heating rate and NaOH/precursor ratio on the influence of iodine number were investigated.Based on the central composite design (CCD),quadratic model was developed to correlate the influential factors to the iodine number.From the analysis of variance,the most influential factor on iodine number were sorted the results followed by activation temperature,NaOH/precursor ratio and heating rate.The optimum conditions were as follows:temperature of 739℃,heating rate of 6.59℃/min and NaOH/precursor ratio of 2.51 g,which resulted in 1 518.89 mg/g of iodine number,and with a BET surface of 1 617.70 m2/g.
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Optimization of preparation conditions for activated carbons from textile dyeing sludge and sawdust using response surface methodology based on CCD

  • Received Date: 11/12/2013
  • Accepted Date: 09/10/2013
  • Available Online: 07/11/2014
Fund Project:

Abstract: Textile dyeing sludge and sawdust were used to produce activated carbon with NaOH activation method.The effects of activation temperature,heating rate and NaOH/precursor ratio on the influence of iodine number were investigated.Based on the central composite design (CCD),quadratic model was developed to correlate the influential factors to the iodine number.From the analysis of variance,the most influential factor on iodine number were sorted the results followed by activation temperature,NaOH/precursor ratio and heating rate.The optimum conditions were as follows:temperature of 739℃,heating rate of 6.59℃/min and NaOH/precursor ratio of 2.51 g,which resulted in 1 518.89 mg/g of iodine number,and with a BET surface of 1 617.70 m2/g.

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