Evaluation and comparison of the biosorption process of copper ions onto olive stone and pine bark

G. Blazquez; MA Martin-Lara; E. Dionisio-Ruiz

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Evaluation and comparison of the biosorption process of copper ions onto olive stone and pine bark

机译：橄榄石和松树皮上铜离子的生物吸附过程评估与比较

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Olive stone (OS) and pine bark (PB) were used as effective biosorbents for the removal of Cu(II) from aqueous solutions. The biosorbents were characterized by elemental analysis, potentiometric titrations, surface area and pore size distribution and FTIR analyses. Batch adsorption experiments were carried out as a function of pH, particle size, biosorbent dosage, contact time and initial copper concentration. Equilibrium data agreed well with Langmuir isotherm. The kinetics data fitted well into the pseudo-second-order model with correlation coefficient greater than 0.99. Finally, dynamic biosorption studies were carried out using a packed bed column-and the main column parameters were determined.

机译：橄榄石（OS）和松树皮（PB）被用作从水溶液中去除Cu（II）的有效生物吸附剂。通过元素分析，电位滴定，表面积和孔径分布以及FTIR分析来表征生物吸附剂。分批吸附实验是根据pH，粒径，生物吸附剂量，接触时间和初始铜浓度进行的。平衡数据与Langmuir等温线吻合良好。动力学数据非常适合伪二阶模型，相关系数大于0.99。最后，使用填充床色谱柱进行了动态生物吸附研究，并确定了主要的色谱柱参数。

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《Journal of industrial and engineering chemistry》 |2011年第6期|共10页
作者
G. Blazquez; MA Martin-Lara; E. Dionisio-Ruiz;
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正文语种 eng
中图分类化学工业;
关键词
Agroindustrial wastes; Biosorption; Copper; Equilibrium; Kinetics; Packed-bed column;

机译：农用工业废料;生物吸附;铜;平衡;运动学;填充床柱;

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机译：橄榄石和松树皮上铜离子的生物吸附过程评估与比较
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Evaluation and comparison of the biosorption process of copper ions onto olive stone and pine bark

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