Metal ions binding onto lignocellulosic biosorbent.
作者： K. K. Krishnani , Xiaoguang Meng , L. Dupont
DOI: 10.1080/10934520902847810
关键词: Metal ions in aqueous solution 、 Qualitative inorganic analysis 、 Adsorption 、 Langmuir adsorption model 、 Potentiometric titration 、 Chemistry 、 Biosorption 、 Inorganic chemistry 、 Ion exchange 、 Metal
摘要: This paper describes the use of a lignocellulosic biosorbent for adsorption and ion exchange nine different heavy metals ions. Batch isothermal equilibrium continuous column experiments were carried out in an effort to evaluate maximum capacity, pH dependence study mechanism removal metal ions onto biosorbent. Bio-sorption data interpreted using Langmuir isotherm which reflect influence concentration on uptake ion. Potentiometric titrations used determine contents total functional groups. The showed strongest affinity Pb2 +, Hg2 + Cu2 +. such as Cd2 Ni2 Co2 Mn2 seemed be exclusively involved ion-exchange with Ca2 experiment multiple revealed role another cation effective Zn2 has been found good electron donor reduc...
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