Equilibrium studies for the sorption of metal ions onto hemp

被引：0
|
作者：
Paduraru, C [1 ]
Tofan, L [1 ]
机构：
[1] Gh Asachi Tech Univ, Dept Analyt Chem, Iasi 6600, Romania
来源：
CELLULOSE CHEMISTRY AND TECHNOLOGY | 2002年 / 36卷 / 3-4期
关键词：
sorption; capacity; hemp fibers;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Batch sorption of four metal ions, viz. Cr(III), Cu(II), Ag(I) and Cd(II), onto an unconventional cellulosic substrate, namely hemp fibers, has been studied. The monolayer sorption capacity is of 367.124, 1157.407, 89.180 and 140.313 ing x g(-1) hemp for chromium(III), copper(II), silver(l) and cadmium(II) ions, respectively, at 18(0). Equilibrium data have been analyzed using the Langmuir and Freundlich. isotherm modes. The following relative affinity of cations sorption on natural hemp: Cu(II)>Cr(III)>Cd(II)>Ag(I) has been established.
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页码：375 / 380
页数：6
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