期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 17, 期 5-6, 页码 824-833出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2011.08.003
关键词
Agroindustrial wastes; Biosorption; Copper; Equilibrium; Kinetics Packed-bed column
资金
- Spanish Ministry of Science and Innovation [CTM2009-10294]
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. (C) 2011 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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