Production and detailed characterization of bean husk-based carbon: Efficient cadmium (II) removal from aqueous solutions

Leonardo Chávez-Guerrero; René Rangel-Méndez; Emilio Muñoz-Sandoval; David A. Cullen; David J. Smith; Humberto Terrones; Mauricio Terrones

doi:10.1016/j.watres.2008.04.022

Production and detailed characterization of bean husk-based carbon: Efficient cadmium (II) removal from aqueous solutions

Leonardo Chávez-Guerrero, René Rangel-Méndez, Emilio Muñoz-Sandoval, David A. Cullen, David J. Smith, Humberto Terrones, Mauricio Terrones

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

We report the production of a modified carbon by heat treating bean husk (Phaseolus vulgaris) at 270 °C in Ar, followed by chemical activation using HNO₃. The material was studied using thermogravimetric analysis (TGA), infrared spectroscopy (IRS), high-resolution transmission electron microscopy (HRTEM), elemental mapping, energy dispersive X-ray spectroscopy (EDX), X-ray powder diffraction and scanning electron microscopy (SEM). Cd ²⁺ sorption studies with this material were carried out at different concentrations. It was found that cadmium (II) is effectively removed by the modified material obtained from bean husk (180 mg/g). The sorption mechanism is discussed in terms of the activated surface properties. A relationship between the oxygen content and sorption was found in this novel material. Commercial activated carbon (AC) (F400) was used for comparison.

Original language	English
Pages (from-to)	3473-3479
Number of pages	7
Journal	Water Research
Volume	42
Issue number	13
DOIs	https://doi.org/10.1016/j.watres.2008.04.022
State	Published - Jul 2008
Externally published	Yes

Funding

This work was sponsored by CONACYT-México grants: 56787 (Laboratory for Nanoscience and Nanotechnology Research-LINAN), 48300 (EMS), 45762 (HT), 45772 (MT), 41464-Inter American Collaboration (MT), 42428-Inter American Collaboration (HT), 2004-01-013/SALUD-CONACYT(MT), Fondo Mixto de San Luis Potosí 63001 S-3908 (MT), Fondo Mixto de San Luis Potosí 63072 S-3909 (HT) and PhD scholarship (LCG-166912). The authors are also grateful to D. Ramírez-González, D. Partida-Gutiérrez and G. Ramírez-Manzanares for technical assistance. We acknowledge use of facilities in the John M. Cowley Center for high-resolution electron microscopy at Arizona State University, and partial support from N&F Grant DmR-0303429.

Funders	Funder number
41464-Inter American Collaboration
42428-Inter American Collaboration	2004-01-013/SALUD-CONACYT
CONACYT-México	56787, 45772, 45762, 48300
Fondo Mixto de San Luis	63072 S-3909, LCG-166912
Arizona State University	DmR-0303429
Universidad Autónoma de San Luis Potosí	63001 S-3908

Keywords

Amorphous carbon
Bean husk
Cadmium
Glassy carbon
Nanostructure

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10.1016/j.watres.2008.04.022

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title = "Production and detailed characterization of bean husk-based carbon: Efficient cadmium (II) removal from aqueous solutions",

abstract = "We report the production of a modified carbon by heat treating bean husk (Phaseolus vulgaris) at 270 °C in Ar, followed by chemical activation using HNO3. The material was studied using thermogravimetric analysis (TGA), infrared spectroscopy (IRS), high-resolution transmission electron microscopy (HRTEM), elemental mapping, energy dispersive X-ray spectroscopy (EDX), X-ray powder diffraction and scanning electron microscopy (SEM). Cd 2+ sorption studies with this material were carried out at different concentrations. It was found that cadmium (II) is effectively removed by the modified material obtained from bean husk (180 mg/g). The sorption mechanism is discussed in terms of the activated surface properties. A relationship between the oxygen content and sorption was found in this novel material. Commercial activated carbon (AC) (F400) was used for comparison.",

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author = "Leonardo Ch{\'a}vez-Guerrero and Ren{\'e} Rangel-M{\'e}ndez and Emilio Mu{\~n}oz-Sandoval and Cullen, {David A.} and Smith, {David J.} and Humberto Terrones and Mauricio Terrones",

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AU - Chávez-Guerrero, Leonardo

AU - Rangel-Méndez, René

AU - Muñoz-Sandoval, Emilio

AU - Cullen, David A.

AU - Smith, David J.

AU - Terrones, Humberto

AU - Terrones, Mauricio

PY - 2008/7

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AB - We report the production of a modified carbon by heat treating bean husk (Phaseolus vulgaris) at 270 °C in Ar, followed by chemical activation using HNO3. The material was studied using thermogravimetric analysis (TGA), infrared spectroscopy (IRS), high-resolution transmission electron microscopy (HRTEM), elemental mapping, energy dispersive X-ray spectroscopy (EDX), X-ray powder diffraction and scanning electron microscopy (SEM). Cd 2+ sorption studies with this material were carried out at different concentrations. It was found that cadmium (II) is effectively removed by the modified material obtained from bean husk (180 mg/g). The sorption mechanism is discussed in terms of the activated surface properties. A relationship between the oxygen content and sorption was found in this novel material. Commercial activated carbon (AC) (F400) was used for comparison.

KW - Amorphous carbon

KW - Bean husk

KW - Cadmium

KW - Glassy carbon

KW - Nanostructure

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Production and detailed characterization of bean husk-based carbon: Efficient cadmium (II) removal from aqueous solutions

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Keywords

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