Arachis hypogaea derived activated carbon/Pt catalyst: reduction of organic dyes

S. Anbu Anjugam Vandarkuzhali, S. Karthikeyan, B. Viswanathan, M.p. Pachamuthu

Research output: Contribution to journalArticle

Abstract

Activated carbon from agro waste groundnut (Arachis hypogaea) shell was prepared by chemical activation and used as support for dispersion of 5% platinum nanoparticles. The Pt nanoparticles were obtained by the reduction in hydrogen gas medium. The synthesized groundnut activated carbon/platinum catalyst was characterized by various techniques such as X-ray powder diffraction, electron microscopies and X-ray photoelectron spectroscopy. The catalytic behaviour of the synthesized catalyst was investigated by exploring it as catalyst for the reduction of various classes of dyes; namely, triphenylmethane dyes such as Malachite green, phenol red and bromophenol blue, xanthene dyes: rose bengal, rhodamine 6G, rhodamine B, thiazine dye: methyelene blue, azo dye: congo red and 4-nitrophenol by sodium borohydride in aqueous medium. Under suitable reaction conditions, for all tested dyes, cationic dyes were reduced at a faster rate than anionic dyes. The rate of reduction on the structure of dye and nature of catalyst was employed.
Original languageEnglish
Pages (from-to)101-111
JournalSurfaces and Interfaces
Volume13
Early online date31 Jul 2018
DOIs
Publication statusPublished - Dec 2018

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activated carbon
Activated carbon
Coloring Agents
Dyes
dyes
catalysts
Catalysts
rhodamine B
Platinum
rhodamine
Bromphenol Blue
Azo Compounds
Xanthenes
Thiazines
platinum
Phenolsulfonphthalein
Nanoparticles
thiazine (trademark)
Rose Bengal
Congo Red

Bibliographical note

© 2018, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Cite this

Vandarkuzhali, S. A. A., Karthikeyan, S., Viswanathan, B., & Pachamuthu, M. P. (2018). Arachis hypogaea derived activated carbon/Pt catalyst: reduction of organic dyes. Surfaces and Interfaces, 13, 101-111. https://doi.org/10.1016/j.surfin.2018.07.005
Vandarkuzhali, S. Anbu Anjugam ; Karthikeyan, S. ; Viswanathan, B. ; Pachamuthu, M.p. / Arachis hypogaea derived activated carbon/Pt catalyst: reduction of organic dyes. In: Surfaces and Interfaces. 2018 ; Vol. 13. pp. 101-111.
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Vandarkuzhali, SAA, Karthikeyan, S, Viswanathan, B & Pachamuthu, MP 2018, 'Arachis hypogaea derived activated carbon/Pt catalyst: reduction of organic dyes', Surfaces and Interfaces, vol. 13, pp. 101-111. https://doi.org/10.1016/j.surfin.2018.07.005

Arachis hypogaea derived activated carbon/Pt catalyst: reduction of organic dyes. / Vandarkuzhali, S. Anbu Anjugam; Karthikeyan, S.; Viswanathan, B.; Pachamuthu, M.p.

In: Surfaces and Interfaces, Vol. 13, 12.2018, p. 101-111.

Research output: Contribution to journalArticle

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T1 - Arachis hypogaea derived activated carbon/Pt catalyst: reduction of organic dyes

AU - Vandarkuzhali, S. Anbu Anjugam

AU - Karthikeyan, S.

AU - Viswanathan, B.

AU - Pachamuthu, M.p.

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PY - 2018/12

Y1 - 2018/12

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AB - Activated carbon from agro waste groundnut (Arachis hypogaea) shell was prepared by chemical activation and used as support for dispersion of 5% platinum nanoparticles. The Pt nanoparticles were obtained by the reduction in hydrogen gas medium. The synthesized groundnut activated carbon/platinum catalyst was characterized by various techniques such as X-ray powder diffraction, electron microscopies and X-ray photoelectron spectroscopy. The catalytic behaviour of the synthesized catalyst was investigated by exploring it as catalyst for the reduction of various classes of dyes; namely, triphenylmethane dyes such as Malachite green, phenol red and bromophenol blue, xanthene dyes: rose bengal, rhodamine 6G, rhodamine B, thiazine dye: methyelene blue, azo dye: congo red and 4-nitrophenol by sodium borohydride in aqueous medium. Under suitable reaction conditions, for all tested dyes, cationic dyes were reduced at a faster rate than anionic dyes. The rate of reduction on the structure of dye and nature of catalyst was employed.

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Vandarkuzhali SAA, Karthikeyan S, Viswanathan B, Pachamuthu MP. Arachis hypogaea derived activated carbon/Pt catalyst: reduction of organic dyes. Surfaces and Interfaces. 2018 Dec;13:101-111. https://doi.org/10.1016/j.surfin.2018.07.005