Study of the Single and Binary Batch Systems to Remove Copper and Cadmium Ions from Aqueous Solutions using Dry Cabbage Leaves as Biosorbent Material

被引：0
作者：
Kamar, Firas Hashim [1 ,2 ]
Nechifor, Aurelia Cristina [1 ]
Nechifor, Gheorghe [1 ]
Sallomi, Muthana Hassan [3 ]
Jasem, Abdulrazaq D. [4 ]
机构：
[1] Univ Politehn Bucuresti, Dept Analyt Chem & Environm Engn, 1-7 Ghe Polizu Str, Bucharest 011061, Romania
[2] Middle E Tech Univ, Inst Technol Baghdad, Baghdad, Iraq
[3] Minist Environm, Environm Directorate Baghdad, Baghdad, Iraq
[4] Minist Ind & Mineral, Corp Res & Ind Dev, Ibn Albetar Res Ctr, Baghdad, Iraq
来源：
REVISTA DE CHIMIE | 2016年 / 67卷 / 01期
关键词：
biosorption; heavy metals; equilibrium; isotherm; kinetics; cabbage leaves; METAL-IONS; BIOSORPTION; EQUILIBRIUM; SORPTION; LEAD; ADSORPTION; NICKEL;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The present study aims to remove Copper and Cadmium ions from aqueous solution using cabbage leaves as a low-cost biosorbent material in single and binary batch biosorption systems. The effect of pH solution, contact time, biosorbent dosage and initial metal ions concentration on the removal efficiency for two types of biosorption systems were examined. In the best conditions: the removal efficiency for Copper ions is greater than Cadmium ions for single and binary component systems. Equilibrium sorption data for two types of biosorption systems were fitted to the Freundlich, Langmuir and Redlich-Peterson isotherm models. The Langmuir model represents the equilibrium data better than the Freundlich and Redlich-Peterson models for two types of batch biosorption systems. The biosorption kinetics for the two metal ions followed the pseudo-second order kinetics indicating that the chemical sorption was the rate-limiting step.
引用
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页码：1 / 7
页数：7
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