Application of polyaniline/bacterial extracellular polysaccharide nanocomposite for removal and detoxification of Cr(VI)

V. Janaki; Mi Na Shin; Song Hee Kim; Kui Jae Lee; Min Cho; A. K. Ramasamy; Byung Taek Oh; Seralathan Kamala-Kannan

doi:10.1007/s10570-013-0100-7

Application of polyaniline/bacterial extracellular polysaccharide nanocomposite for removal and detoxification of Cr(VI)

V. Janaki
, Mi Na Shin
, Song Hee Kim
, Kui Jae Lee
, Min Cho
, A. K. Ramasamy
, Byung Taek Oh^*
, Seralathan Kamala-Kannan

^*Corresponding author for this work

Environmental Biotechnology

Research output: Contribution to journal › Journal article › peer-review

31 Scopus citations

Abstract

Polyaniline/bacterial extracellular polysaccharide (Pn/EPS) nanocomposite was prepared by in situ polymerization of aniline using ammonium peroxydisulfate as oxidant. Transmission electron micrograph showed that the surface of the nanocomposite was rough, providing good possibility for adsorption of Cr(VI). Under optimized conditions, the nanocomposite removed 97.3 % (25 mg L^-1) of Cr(VI) from aqueous solution. The Freundlich isotherm model and pseudo-first order rate expression better described the adsorption equilibrium of Pn/EPS nanocomposite. X-ray diffractogram peak for Cr₂O₃ (2θ = 24.5) in the nanocomposite confirmed the reduction of Cr(VI). Fourier transform infrared spectroscopy pattern of the nanocomposite confirmed the ionic interaction between Cr species and surface functional groups. The results of the study indicate that Pn/EPS nanocomposite could be used for the removal and detoxification of Cr(VI) from aqueous solution.

Original language	English
Pages (from-to)	463-472
Number of pages	10
Journal	Cellulose
Volume	21
Issue number	1
DOIs	https://doi.org/10.1007/s10570-013-0100-7
State	Published - 2014.02

Keywords

Chromium
Extracellular polymeric substances
Metals
Nanocomposite
Polyaniline
Reduction

Quacquarelli Symonds(QS) Subject Topics

Materials Science

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10.1007/s10570-013-0100-7

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@article{b0aadd03e6ce4594a658f0e6bfa5ae1f,

title = "Application of polyaniline/bacterial extracellular polysaccharide nanocomposite for removal and detoxification of Cr(VI)",

abstract = "Polyaniline/bacterial extracellular polysaccharide (Pn/EPS) nanocomposite was prepared by in situ polymerization of aniline using ammonium peroxydisulfate as oxidant. Transmission electron micrograph showed that the surface of the nanocomposite was rough, providing good possibility for adsorption of Cr(VI). Under optimized conditions, the nanocomposite removed 97.3 \% (25 mg L-1) of Cr(VI) from aqueous solution. The Freundlich isotherm model and pseudo-first order rate expression better described the adsorption equilibrium of Pn/EPS nanocomposite. X-ray diffractogram peak for Cr2O3 (2θ = 24.5) in the nanocomposite confirmed the reduction of Cr(VI). Fourier transform infrared spectroscopy pattern of the nanocomposite confirmed the ionic interaction between Cr species and surface functional groups. The results of the study indicate that Pn/EPS nanocomposite could be used for the removal and detoxification of Cr(VI) from aqueous solution.",

keywords = "Chromium, Extracellular polymeric substances, Metals, Nanocomposite, Polyaniline, Reduction",

author = "V. Janaki and Shin, \{Mi Na\} and Kim, \{Song Hee\} and Lee, \{Kui Jae\} and Min Cho and Ramasamy, \{A. K.\} and Oh, \{Byung Taek\} and Seralathan Kamala-Kannan",

year = "2014",

month = feb,

doi = "10.1007/s10570-013-0100-7",

language = "English",

volume = "21",

pages = "463--472",

journal = "Cellulose",

issn = "0969-0239",

number = "1",

}

TY - JOUR

T1 - Application of polyaniline/bacterial extracellular polysaccharide nanocomposite for removal and detoxification of Cr(VI)

AU - Janaki, V.

AU - Shin, Mi Na

AU - Kim, Song Hee

AU - Lee, Kui Jae

AU - Cho, Min

AU - Ramasamy, A. K.

AU - Oh, Byung Taek

AU - Kamala-Kannan, Seralathan

PY - 2014/2

Y1 - 2014/2

N2 - Polyaniline/bacterial extracellular polysaccharide (Pn/EPS) nanocomposite was prepared by in situ polymerization of aniline using ammonium peroxydisulfate as oxidant. Transmission electron micrograph showed that the surface of the nanocomposite was rough, providing good possibility for adsorption of Cr(VI). Under optimized conditions, the nanocomposite removed 97.3 % (25 mg L-1) of Cr(VI) from aqueous solution. The Freundlich isotherm model and pseudo-first order rate expression better described the adsorption equilibrium of Pn/EPS nanocomposite. X-ray diffractogram peak for Cr2O3 (2θ = 24.5) in the nanocomposite confirmed the reduction of Cr(VI). Fourier transform infrared spectroscopy pattern of the nanocomposite confirmed the ionic interaction between Cr species and surface functional groups. The results of the study indicate that Pn/EPS nanocomposite could be used for the removal and detoxification of Cr(VI) from aqueous solution.

AB - Polyaniline/bacterial extracellular polysaccharide (Pn/EPS) nanocomposite was prepared by in situ polymerization of aniline using ammonium peroxydisulfate as oxidant. Transmission electron micrograph showed that the surface of the nanocomposite was rough, providing good possibility for adsorption of Cr(VI). Under optimized conditions, the nanocomposite removed 97.3 % (25 mg L-1) of Cr(VI) from aqueous solution. The Freundlich isotherm model and pseudo-first order rate expression better described the adsorption equilibrium of Pn/EPS nanocomposite. X-ray diffractogram peak for Cr2O3 (2θ = 24.5) in the nanocomposite confirmed the reduction of Cr(VI). Fourier transform infrared spectroscopy pattern of the nanocomposite confirmed the ionic interaction between Cr species and surface functional groups. The results of the study indicate that Pn/EPS nanocomposite could be used for the removal and detoxification of Cr(VI) from aqueous solution.

KW - Chromium

KW - Extracellular polymeric substances

KW - Metals

KW - Nanocomposite

KW - Polyaniline

KW - Reduction

UR - https://www.scopus.com/pages/publications/84893676860

U2 - 10.1007/s10570-013-0100-7

DO - 10.1007/s10570-013-0100-7

M3 - Journal article

AN - SCOPUS:84893676860

SN - 0969-0239

VL - 21

SP - 463

EP - 472

JO - Cellulose

JF - Cellulose

IS - 1

ER -

Application of polyaniline/bacterial extracellular polysaccharide nanocomposite for removal and detoxification of Cr(VI)

Abstract

Keywords

Quacquarelli Symonds(QS) Subject Topics

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