Adsorption of Pb(II) from aqueous solution using new adsorbents prepared from agricultural waste: Adsorption isotherm and kinetic studies

M. Ghasemi; M. Naushad; N. Ghasemi

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Adsorption of Pb(II) from aqueous solution using new adsorbents prepared from agricultural waste: Adsorption isotherm and kinetic studies

机译：使用农业废料制备的新型吸附剂从水溶液中吸附Pb（II）：吸附等温线和动力学研究

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The main goal of this study was to evaluate the performance of two new adsorbents, ash and Fe nanoparticles loaded ash (nFe-A) for the removal of Pb(II) from aqueous solution. Batch experiments were performed as a function of various experimental parameters. The adsorption studies included both equilibrium adsorption isotherms and kinetics. Equilibrium data fitted very well with the Langmuir isotherm model. Kinetics studies showed better applicability for pseudo-second-order model for both adsorbents. The regeneration studies showed promising regeneration potential of these adsorbents. The breakthrough capacities of ash and nFe-A for Pb(II) removal was found 25 and 30 mg g~(-1) respectively.

机译：这项研究的主要目的是评估两种新的吸附剂，即灰分和载有铁纳米颗粒的灰分（nFe-A）从水溶液中去除Pb（II）的性能。批处理实验是各种实验参数的函数。吸附研究包括平衡吸附等温线和动力学。平衡数据与Langmuir等温线模型非常吻合。动力学研究表明，两种吸附剂在拟二级模型中都有较好的适用性。再生研究表明，这些吸附剂具有广阔的再生潜力。灰分和nFe-A的去除Pb（II）的突破能力分别为25和30 mg g〜（-1）。

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《Journal of industrial and engineering chemistry》 |2014年第4期|共7页
作者
M. Ghasemi; M. Naushad; N. Ghasemi;
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正文语种 eng
中图分类化学工业;
关键词
Pb(II); Rosa Canina-L leaf; Fe nanoparticles loaded ash; Adsorption isotherms; Kinetic models;

机译：Pb（II）;Rosa Canina-L叶片;Fe纳米颗粒负载灰分;吸附等温线;动力学模型;

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1. Adsorption of Pb(II) from aqueous solution using new adsorbents prepared from agricultural waste: Adsorption isotherm and kinetic studies [J] . M. Ghasemi, M. Naushad, N. Ghasemi Journal of industrial and engineering chemistry . 2014,第4期

机译：使用农业废料制备的新型吸附剂从水溶液中吸附Pb（II）：吸附等温线和动力学研究
2. ADSORPTION ISOTHERMS, KINETICS AND MECHANISM OF PB(II) IONS REMOVAL FROM AQUEOUS SOLUTION USING CHEMICALLY MODIFIED AGRICULTURAL WASTE [J] . P. Senthil Kumar, C. Senthamarai, A.S.L Sai Deepthi The Canadian Journal of Chemical Engineering . 2013,第12期

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Adsorption of Pb(II) from aqueous solution using new adsorbents prepared from agricultural waste: Adsorption isotherm and kinetic studies

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