CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING L-CYSTEINE FUNCTIONALIZED SINGLE-WALLED CARBON NANOTUBES

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ZAZOULI MOHAMMAD ALI; YOUSEFI ZABIHALLA; TAGHAVI MAHMOUD; AKBARI ADERGANI BEHROUZ; YAZDANI CHERATI JAMSHID

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Journal: JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES Year:2013 | Volume:22 | Issue:98 Page(s): 0-0

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Title

CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING L-CYSTEINE FUNCTIONALIZED SINGLE-WALLED CARBON NANOTUBES

Author(s)

Keywords

CARBON NANOTUBESQ2

CADMIUMQ2

L-CYSTEINEQ2

ADSORPTIONQ2

Abstract

Background and purpose: CADMIUM is a very toxic metal that have adverse effects on human health and aquatic environments even at low concentrations, therefore, efforts should be made to eliminate this metal from aquatic ecosystems. The aim of this study was to investigate the efficiency of Lcysteine functionalized single-walled CARBON NANOTUBES (SWCNs) in CADMIUM removal from aqueous solutions. This study also assessed the role of some parameters such as pH, adsorbent dose, contact time and CADMIUM concentration.Materials and methods: Single-walled CARBON NANOTUBES were functionalized with L-CYSTEINE.Then the optimum level of pH, CARBON NANOTUBES dose, contact time, and CADMIUM concentration were determined during the ADSORPTION process. The experimental data were compared with the Langmuir and Freundlich ADSORPTION isotherm models.Results: qe increased when the pH level increased, while contact time and Cd concentration decreased by increasing of the CARBON NANOTUBES dose. The Langmuir ADSORPTION model agreed well with the experimental data (R2=0.997). Efficiency of removal of Cd by SWCNs was 94.26% in optimal condition.Conclusion: The results showed that L-CYSTEINE functionalized single-walled CARBON NANOTUBES could be effective for the removal of CADMIUM.

Cites

Evaluation of the Removal of Heavy Metals (Cadmium Lead, and Zinc) from Aqueous Solutions using Multi-Walled Carbon Nanotubes Modified with Chitosan

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APA: Copy

ZAZOULI, MOHAMMAD ALI, YOUSEFI, ZABIHALLA, TAGHAVI, MAHMOUD, AKBARI ADERGANI, BEHROUZ, & YAZDANI CHERATI, JAMSHID. (2013). CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING L-CYSTEINE FUNCTIONALIZED SINGLE-WALLED CARBON NANOTUBES. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 22(98), 0-0. SID. https://sid.ir/paper/387810/en

Vancouver: Copy

ZAZOULI MOHAMMAD ALI, YOUSEFI ZABIHALLA, TAGHAVI MAHMOUD, AKBARI ADERGANI BEHROUZ, YAZDANI CHERATI JAMSHID. CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING L-CYSTEINE FUNCTIONALIZED SINGLE-WALLED CARBON NANOTUBES. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2013;22(98):0-0. Available from: https://sid.ir/paper/387810/en

IEEE: Copy

MOHAMMAD ALI ZAZOULI, ZABIHALLA YOUSEFI, MAHMOUD TAGHAVI, BEHROUZ AKBARI ADERGANI, and JAMSHID YAZDANI CHERATI, “CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING L-CYSTEINE FUNCTIONALIZED SINGLE-WALLED CARBON NANOTUBES,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 22, no. 98, pp. 0–0, 2013, [Online]. Available: https://sid.ir/paper/387810/en

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