ADSORPTION OF CU2+ IONS FROM AQUEOUS SOLUTIONS USING OXIDIZED MULTI-WALLED CARBON NANOTUBES

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SOBHANARDAKANI SOHEIL; ZANDIPAK RAZIYEH; CHERAGHI MEHRDAD

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Journal: Avicenna Journal of Environmental Health Engineering Year:2015 | Volume:2 | Issue:1 Page(s): 0-0

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Title

ADSORPTION OF CU2+ IONS FROM AQUEOUS SOLUTIONS USING OXIDIZED MULTI-WALLED CARBON NANOTUBES

Author(s)

SOBHANARDAKANI SOHEIL | ZANDIPAK RAZIYEH | CHERAGHI MEHRDAD | Issue Writer Certificate

Keywords

ADSORPTION

COPPER

OXIDIZED MULTI-WALLED CARBON NANOTUBE

REMOVAL EFFICIENCY

Abstract

Copper ion (Cu2+) is one of the heavy metal ions that cause environmental pollution specifically in water. COPPER ion cations are not biodegradable and tend to cumulate in living organisms. Consequently, the removal of Cu2+ in environmental samples plays an important role in environmental pollution monitoring. The purpose of the present work was to prepare oxidized Multi-Walled Carbon Nano Tubes (MWCNTs) for removal of Cu2+ ions from aqueous solutions. This study was conducted under laboratory conditions. Multi-Walled Carbon Nano Tubes were oxidized and characterized by Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscope (SEM) and the Brunauer, Emmett, and Teller (BET) methods. The effects of various factors, such as solution pH (3 - 9), adsorbent dose (0.006 - 0.06 g) and contact time (10 - 120 minutes) were investigated. Results showed that the suitable pH for Cu2+ ions removal was about 6.0, and the optimal dose was 0.03 g. Isotherm studies indicated that the Langmuir model fits the experimental data better than the Freundlich model. Maximum Cu2+ ADSORPTION capacity was calculated as 200 mg g-1. The kinetics of the ADSORPTION process was tested for the pseudo-first-order and pseudo-second-order models. The comparison among the models showed that the pseudo-second order model best described the ADSORPTION kinetics. The results showed that oxidized MWCNTs can be used as a low cost adsorbent for the removal of Cu2+ ions from aqueous solutions.

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APA: Copy

SOBHANARDAKANI, SOHEIL, ZANDIPAK, RAZIYEH, & CHERAGHI, MEHRDAD. (2015). ADSORPTION OF CU²⁺ IONS FROM AQUEOUS SOLUTIONS USING OXIDIZED MULTI-WALLED CARBON NANOTUBES. AVICENNA JOURNAL OF ENVIRONMENTAL HEALTH ENGINEERING, 2(1), 0-0. SID. https://sid.ir/paper/348113/en

Vancouver: Copy

SOBHANARDAKANI SOHEIL, ZANDIPAK RAZIYEH, CHERAGHI MEHRDAD. ADSORPTION OF CU²⁺ IONS FROM AQUEOUS SOLUTIONS USING OXIDIZED MULTI-WALLED CARBON NANOTUBES. AVICENNA JOURNAL OF ENVIRONMENTAL HEALTH ENGINEERING[Internet]. 2015;2(1):0-0. Available from: https://sid.ir/paper/348113/en

IEEE: Copy

SOHEIL SOBHANARDAKANI, RAZIYEH ZANDIPAK, and MEHRDAD CHERAGHI, “ADSORPTION OF CU²⁺ IONS FROM AQUEOUS SOLUTIONS USING OXIDIZED MULTI-WALLED CARBON NANOTUBES,” AVICENNA JOURNAL OF ENVIRONMENTAL HEALTH ENGINEERING, vol. 2, no. 1, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/348113/en

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