Removal of Cu (II) Ions from Aqueous Solutions by Turmeric Powder

被引：0

作者：

Amtul-Qayoom ^{[1
]}

Kazmi, Syed Arif ^{[2
]}

Naushaba-Rafiq ^{[3
]}

机构：

[1] NED Univ Engn & Technol, Dept Math & Basic Sci, Karachi, Pakistan

[2] Univ Karachi, HEJ Res Inst Chem, Int Ctr Chem & Biol Sci, Karachi 75270, Pakistan

[3] Univ Karachi, Dept Chem, Karachi 75270, Pakistan

来源：

JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 2009年 / 31卷 / 06期

关键词：

HEAVY-METALS; WASTE-WATER; ADSORPTION; VEGETABLES; CURCUMIN; CADMIUM; EQUILIBRIUM; BIOSORPTION; KINETICS; BINDING;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Copper is an essential nutrient, but it is toxic at high intake levels. The presence of copper(II) ions causes serious toxicological concerns, it is usually known to deposit in brain, skin, liver, pancreas and myocardium. In this work the ability of turmeric to remove copper (II) ions from aqueous solution was studied. Adsorption of metals ions by turmeric powder may be used as a natural remedy for sequestration of toxic metals which are ingested through daily food intake. It was found that adsorption increased with increasing contact time, pH, temperature, adsorbent dose. The equilibrium data were satisfactorily described by Freundlich isotherm model. Adsorption of Cu (II) by turmeric powder was followed by pseudo 2(nd) order kinetics.

引用

页码：876 / 881

页数：6

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