首页> 外文期刊>Arabian Journal for Science and Engineering. Section A, Sciences >Optimization by Using Response Surface Methodology of the Preparation from Plantain Spike of a Micro-/Mesoporous Activated Carbon Designed for Removal of Dyes in Aqueous Solution
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Optimization by Using Response Surface Methodology of the Preparation from Plantain Spike of a Micro-/Mesoporous Activated Carbon Designed for Removal of Dyes in Aqueous Solution

机译:通过使用粉底峰的响应表面方法优化植入微/介孔活性炭的纯/型激活碳的制备方法,所述微/介孔活性炭用于除去水溶液中的染料

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摘要

Response surface methodology based on central composite design was used as a tool to optimize the preparation of micro- /mesoporous activated carbon from plantain spike. The impact of three variables: activation temperature, activation time, and H_3PO_4 impregnation ratio, were evaluated on the iodine number and the methylene blue (MB) index according to the model-determined conditions. These three variables have been extensively studied using analysis of variance to assess their significance. Each response was described by a second-order regression equation showing good agreement between the predicted and the experimental data as the adjusted correlation coefficients were greater than 0.80. The multi-response optimized conditions have been set at the temperature of 480°C, the activation time of 113 min, and the impregnation ratio of 3.34/1 (w/w). The activated carbon prepared in these conditions has a specific surface area of 896 m~2/g with micro- and mesopore volumes of 34% and 66%, respectively.Water depollution capacity of this activated carbon evaluated by adsorption of MB and iodine was 206 mg/g and 927 mg/g, respectively.
机译:基于中央复合设计的响应表面方法用作优化来自植物尖峰的微/介孔活性炭的工具。根据模型确定的条件,对三个变量的影响:激活温度,活化时间和H_3PO_4浸渍率评估碘和亚甲基蓝(MB)指数。使用差异分析来广泛研究这三个变量以评估其意义。通过第二阶回归方程描述了每个响应,所述二阶回归方程显示预测和实验数据之间的良好一致性,因为调整后的相关系数大于0.80。多响应优化条件已在480℃,激活时间为113分钟,浸渍率为3.34 / 1(w / w)。在这些条件下制备的活性炭具有896m〜2 / g的比表面积,微观和中孔体积分别为34%和66%。通过吸附MB和碘的这种活性炭的水缺失能力为206分别为mg / g和927 mg / g。

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  • 作者单位

    Laboratoire de Procedes Industriels de Synthese de L’Environnement et des Energies Nouvelles (LAPISEN) Institut National Polytechnique Felix Houphoueet Boigny (Cote d’Ivoire) BP 1093 Yamoussoukro Cote d’Ivoire;

    Laboratoire de Procedes Industriels de Synthese de L’Environnement et des Energies Nouvelles (LAPISEN) Institut National Polytechnique Felix Houphoueet Boigny (Cote d’Ivoire) BP 1093 Yamoussoukro Cote d’Ivoire;

    Laboratoire Energies Renouvelables et Efficacite Energetique (LabEREE) Institut International d’ingenierie de l’eau et de L’Environnement (Burkina Faso) 01 Bp 594 Ouagadougou 01 Burkina Faso;

    Laboratoire de Chimie Moleculaire et de L’Environnement (LCME) Universite Savoie Mont Blanc 73000 Chambery France;

    Laboratoire de Chimie Moleculaire et de L’Environnement (LCME) Universite Savoie Mont Blanc 73000 Chambery France;

    National Institute of Advanced Industrial Science and Technology Energy Technology Research Institute 16-1 Onogawa Tsukuba Ibaraki 305-8569 Japan;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Plantain spike; Optimization; Activated carbon; Porosity; Iodine number; Methylene blue index;

    机译:植物飙升;优化;活性炭;孔隙率;碘;亚甲基蓝指数;

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