Kinetic adsorption of application of carbon nanotubes for Pb(Ⅱ) removal from aqueous solution

被引：0

作者：

Nassereldeen A Kabbashi ^{[1
,2
]}

Muataz A Atieh ^{[3
]}

Abdullah AlMamun ^{[1
]}

Mohamed E S Mirghami ^{[1
]}

MD Z Alam ^{[1
]}

Noorahayu Yahya ^{[1
]}

机构：

[1] Bio-Environmental Research Unit, Department of Biotechnology Engineering, International Islamic University Malaysia,Jalan Gombak , Malaysia

[2] Nanoscience and Nanotechnology Group, Department of Biotechnology Engineering, International Islamic University Malaysia,Jalan Gombak , Malaysia

[3] Department of Chemical Engineering, King Fahd University for Petroleum and Mineral,Saudi

来源：

Journal of Environmental Sciences | 2009年 / 21卷 / 04期

关键词：

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The capability of carbon nanotubes (CNTs) to adsorb lead (Pb) in aqueous solution was investigated. Batch mode adsorption experiment was conducted to determine the effects of pH, agitation speed, CNTs dosage and contact time. The removal of Pb(Ⅱ) reached maximum value 85% or 83% at pH 5 or 40 mg/L of CNTs, respectively. Higher correlation coeffcients from Langmuir isotherm model indicates the strong adsorptions of Pb(Ⅱ) on the surface of CNTs (adsorption capacity Xm = 102.04 mg/g). The results indicates that the highest percentage removal of Pb (96.03%) can be achieved at pH 5, 40 mg/L of CNTs, contact time 80 min, and agitation speed 50 r/min.

引用

页码：539 / 544

页数：6

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