Kinetics of the adsorption of copper and lead ions from aqueous solution on to WD-ekstra activated carbon

被引：8
|
作者：
Kapica, J
Pelech, R
Przepiórski, J
Morawski, AW
机构：
[1] Tech Univ Szczecin, Inst Chem & Environm Engn, Dept Water Technol & Environm Engn, PL-70322 Szczecin, Poland
[2] Tech Univ Szczecin, Dept Organ Technol, PL-70322 Szczecin, Poland
来源：
ADSORPTION SCIENCE & TECHNOLOGY | 2002年 / 20卷 / 05期
关键词：
544.1 Copper - 546.1 Lead and Alloys - 801 Chemistry - 802.3 Chemical Operations - 803 Chemical Agents and Basic Industrial Chemicals;
D O I：
10.1260/026361702320644734
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The kinetics of the adsorption of Cu2+ and Pb2+ ions from aqueous solution on to WD-ekstra activated carbon was studied by batch methods. Such adsorption processes proceeded in two stages: an initial rapid stage followed by a slower one. The Bangham equation was used to describe the kinetics of both adsorption processes. Measurements were carried out for solutions containing only one type of metal ion and also for binary systems containing both Cu2+ and Pb2+ ions. A considerable influence of Pb2+ ions on the adsorption of Cu2+ ions was observed in the binary system. It was found that the equilibrium isotherms could be analyzed using the Langmuir, Freundlich-Langmuir and Freundlich methods.
引用
收藏
页码：441 / 452
页数：12
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