MODIFICATION OF MULTI-WALLED CARBON NANOTUBES AND ITS APPLICATION FOR REMOVAL OF DIRECT BLUE 86

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GHOBADI J.; ARAMI M.; BAHRAMI H.

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Paper Information

Journal: JOURNAL OF COLOR SCIENCE AND TECHNOLOGY Year:2013 | Volume:7 | Issue:2 (24) Page(s): 103-112

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Title

MODIFICATION OF MULTI-WALLED CARBON NANOTUBES AND ITS APPLICATION FOR REMOVAL OF DIRECT BLUE 86

Author(s)

GHOBADI J. | ARAMI M. | BAHRAMI H. | Issue Writer Certificate

Keywords

MODIFIED CARBON NANOTUBESQ2

CATIONIC SURFACTANTQ3

DYE REMOVALQ2

ISOTHERMQ2

KINETICQ2

Abstract

In this study, the modification of multi-walled carbon nanotube (MWCNT) with a CATIONIC SURFACTANT (cetyl trimethyl ammonium bromide, CTAB) and its application for removal of Direct Blue 86 (DB86) was investigated. The raw and functionalized samples were characterized by Fourier Transform Infrared (FTIR) spectroscopy and scanning electron microscopy (SEM). The influence of operational parameters such as adsorbent dosage, initial dye concentration and pH were studied at 25oC. Understanding the mechanism of the adsorption, Langmuir and Freundlich models were used. The results indicate that the data for adsorption of DB86 onto raw and MODIFIED CARBON NANOTUBES fitted well to Langmuir ISOTHERM. The Langmuir adsorption capacities of raw and modified carbon nanotube for DB86 were established as 69.93 and 149.25 mg/g, respectively. Pseudo first and second-order models were adopted to evaluate data and elucidate the KINETIC adsorption process. The rates of sorption were found to conform to pseudo-second order KINETIC with good correlation. The adsorption experiments indicated that the capacity of MODIFIED CARBON NANOTUBES is more significant than raw carbon nanotubes, thus it could be used as an effective adsorbent for removing anionic dyes from textile waste waters.

Cites

PERFORMANCE EVALUATION OF MULTI-WALLED CARBON NANOTUBES OXIDIZED WITH A MIXTURE OF H2SO4/HNO3 IN REMOVAL OF 4-CHLOROPHENOL FROM AQUEOUS SOLUTIONS

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APA: Copy

GHOBADI, J., ARAMI, M., & BAHRAMI, H.. (2013). MODIFICATION OF MULTI-WALLED CARBON NANOTUBES AND ITS APPLICATION FOR REMOVAL OF DIRECT BLUE 86. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, 7(2 (24)), 103-112. SID. https://sid.ir/paper/137419/en

Vancouver: Copy

GHOBADI J., ARAMI M., BAHRAMI H.. MODIFICATION OF MULTI-WALLED CARBON NANOTUBES AND ITS APPLICATION FOR REMOVAL OF DIRECT BLUE 86. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY[Internet]. 2013;7(2 (24)):103-112. Available from: https://sid.ir/paper/137419/en

IEEE: Copy

J. GHOBADI, M. ARAMI, and H. BAHRAMI, “MODIFICATION OF MULTI-WALLED CARBON NANOTUBES AND ITS APPLICATION FOR REMOVAL OF DIRECT BLUE 86,” JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, vol. 7, no. 2 (24), pp. 103–112, 2013, [Online]. Available: https://sid.ir/paper/137419/en

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