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Environmental Science and Pollution Research

, Volume 19, Issue 4, pp 1224–1228 | Cite as

Column with CNT/magnesium oxide composite for lead(II) removal from water

  • Tawfik A. Saleh
  • Vinod K. GuptaEmail author
Research Article

Abstract

Background

In this study, manganese dioxide-coated multiwall carbon nanotube (MnO2/CNT) nanocomposite has been successfully synthesized.

Methods

The as-produced nanocomposite was characterized by different characteristic tools, such as X-ray diffraction, SEM, and FTIR. The MnO2/CNT nanocomposite was utilized as a fixed bed in a column system for removal of lead(II) from water. The experimental conditions were investigated and optimized. The pH range between 3 and 7 was studied; the optimum removal was found when the pH was equal to 6 and 7. The thickness of MnO2/CNT nanocomposite compact layer was also changed to find the optimum parameter for higher removal.

Result

It was observed that the slower the flow rates of the feed solution the higher the removal because of larger contact time.

Keywords

Carbon nanotubes MnO2/CNT nanocomposite Lead removal Column system 

Notes

Acknowledgments

The authors acknowledge the support of King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia, for this work.

Supplementary material

11356_2011_670_MOESM1_ESM.docx (13 kb)
(DOCX 13 kb)

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Chemistry DepartmentKing Fahd University of Petroleum and MineralsDhahranSaudi Arabia
  2. 2.Department of ChemistryIndian Institute of Technology RoorkeeRoorkeeIndia

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