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摘要:In the present work,the potential of hard almond peels for the removal of copper ions from aqueous synthetic solutions has been investigated.Kinetic data and equilibrium sorption isotherm were measured in batch conditions.The influence of some parameters such as:contact time and initial copper ions concentration on copper ions sorption kinetics has been studied.The quantity of copper sorbed at equilibrium depends on contact time,initial metal concentration and increases with an increase of these two parameters.Two simplified kinetic models including a first-order rate equation and a pseudo second-order rate equation were selected to describe the metal sorption kinetics.The process followed a pseudo second–order rate kinetics.Langmuir and Freundlich models were used to describe sorption equilibrium data at natural pH of solution.Results indicated that the Langmuir model gave a better fit to the experimental data than the Freundlich model.Maximum copper uptake obtained was qm=78.25 mg/g(1.231 mmol/g)under the investigated experimental conditions.
会议名称:

Seventeenth International Water Technology Conference(IWTC17)

会议时间:

2013-11-05

会议地点:

Istanbul,Turkey

  • 专辑:

    理工B(化学化工冶金环境矿业)

  • 专题:

    环境科学与资源利用

  • 分类号:

    X703

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