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

被引：178

作者：

Kabbashi, Nassereldeen A. ^{[1
,2
]}

Atieh, Muataz A. ^{[3
]}

Al-Mamun, Abdullah ^{[1
]}

Mirghami, Mohamed E. S. ^{[1
]}

Alam, M. D. Z. ^{[1
]}

Yahya, Noorahayu ^{[1
]}

机构：

[1] Int Islamic Univ Malaysia, Dept Biotechnol Engn, Bioenvironm Res Unit, Jalan Gombak 50728, Malaysia

[2] Int Islamic Univ Malaysia, Dept Biotechnol Engn, Nanosci & Nanotechnol Grp, Jalan Gombak 507283, Malaysia

[3] King Fahd Univ Petr & Minerals, Dept Chem Engn, Dhahran, Saudi Arabia

来源：

JOURNAL OF ENVIRONMENTAL SCIENCES | 2009年 / 21卷 / 04期

关键词：

lead removal; carbon nanotubes; kinetic modeling; adsorption; OPTIMIZATION;

D O I：

10.1016/S1001-0742(08)62305-0

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

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 coefficients from Langmuir isotherm model indicates the strong adsorptions of Pb(II) on the surface of CNTs (adsorption capacity X-m = 102.04 mg/g). The results indicates that the highest percentage removal of Ph (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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