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Paper
Title

Competitive adsorption of Cu2+ and Zn2+ ions from aqueous solutions by oxidized carbon nanotubes

Year: 1390
COI: ICHEC07_143
Language: EnglishView: 558
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Authors

Mohammad Reza Golzari - Islamic Azad University, shahr rey
Azita khosravan - International center for science, high technology and environmental science
Hassan Hashemipour - Shahid Bahonar University of Kerman, Chemical engineering Department

Abstract:

The individual and competitive adsorption capacities of Cu2+ and Zn2+ by nitric acid treated multiwalled carbon nanotubes (CNTs) were studied. The maximum sorption capacities calculated to single ion adsorption were 100% for Cu2+ and 91.4% for Zn2+ in the initial concentration 5 mg/l. The competitive adsorption studies showed that the affinity order of two metal ions adsorbed by CNTs were 90.4% for Cu2+ and 52.68% for Zn2+in the initial concentration 5 mg/l. Equilibrium time were studied for of single ion adsorption and of two metal ions adsorption by CNT 0.02 g at initial concentration 5 mg/l, this time was 60 min. The effects of solution pH, initial concentration, CNT dosage and temperature on the competitive adsorption of Cu and Zn ions were investigated.

Keywords:

Paper COI Code

This Paper COI Code is ICHEC07_143. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/340896/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Golzari, Mohammad Reza and khosravan, Azita and Hashemipour, Hassan,1390,Competitive adsorption of Cu2+ and Zn2+ ions from aqueous solutions by oxidized carbon nanotubes,07th International Congress on Chemical Engineering,Kish Island,https://civilica.com/doc/340896

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