Excellent fluoride decontamination and antibacterial efficacy of Fe–Ca–Zr hybrid metal oxide nanomaterial

Ankita Dhillon; Manjula Nair; Suresh K. Bhargava; Dinesh Kumar

doi:10.1016/j.jcis.2015.06.045

Excellent fluoride decontamination and antibacterial efficacy of Fe–Ca–Zr hybrid metal oxide nanomaterial

Ankita Dhillon, Manjula Nair, Suresh K. Bhargava, Dinesh Kumar^*

^*Corresponding author for this work

School of Engineering & Physical Sciences

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

63 Citations (Scopus)

Abstract

The aim of the present study is to develop an efficient nanomaterial for the removal of fluoride and disinfection of harmful bacteria in order to make water potable according to Environmental Protection Agency (EPA) guidelines. Hydrous hybrid Fe–Ca–Zr oxide nanoadsorbent presented a marked fluoride adsorption capacity of 250 mg/g at pH 7.0 (±0.1) much greater than other commercially accessible adsorbents for both synthetic and real water samples. The adsorption isotherms, Freundlich and Dubinin–Radushkevich (D–R) fitted reasonably well fine having high coefficient of regression values. The adsorption of fluoride was established well using pseudo-second-order kinetics. The fluoride loaded adsorbent was efficiently regenerated by using an alkali solution. Interestingly, the developed nanomaterial not only showed excellent fluoride removal capacity but also demonstrated good antibacterial activity against Escherichia coli with IC50 (25 μg/mL).

Original language	English
Pages (from-to)	289-297
Number of pages	9
Journal	Journal of Colloid and Interface Science
Volume	457
DOIs	https://doi.org/10.1016/j.jcis.2015.06.045
Publication status	Published - 1 Nov 2015

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title = "Excellent fluoride decontamination and antibacterial efficacy of Fe–Ca–Zr hybrid metal oxide nanomaterial",

abstract = "The aim of the present study is to develop an efficient nanomaterial for the removal of fluoride and disinfection of harmful bacteria in order to make water potable according to Environmental Protection Agency (EPA) guidelines. Hydrous hybrid Fe–Ca–Zr oxide nanoadsorbent presented a marked fluoride adsorption capacity of 250 mg/g at pH 7.0 (±0.1) much greater than other commercially accessible adsorbents for both synthetic and real water samples. The adsorption isotherms, Freundlich and Dubinin–Radushkevich (D–R) fitted reasonably well fine having high coefficient of regression values. The adsorption of fluoride was established well using pseudo-second-order kinetics. The fluoride loaded adsorbent was efficiently regenerated by using an alkali solution. Interestingly, the developed nanomaterial not only showed excellent fluoride removal capacity but also demonstrated good antibacterial activity against Escherichia coli with IC50 (25 μg/mL).",

author = "Ankita Dhillon and Manjula Nair and Bhargava, {Suresh K.} and Dinesh Kumar",

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doi = "10.1016/j.jcis.2015.06.045",

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T1 - Excellent fluoride decontamination and antibacterial efficacy of Fe–Ca–Zr hybrid metal oxide nanomaterial

AU - Dhillon, Ankita

AU - Nair, Manjula

AU - Bhargava, Suresh K.

AU - Kumar, Dinesh

PY - 2015/11/1

Y1 - 2015/11/1

N2 - The aim of the present study is to develop an efficient nanomaterial for the removal of fluoride and disinfection of harmful bacteria in order to make water potable according to Environmental Protection Agency (EPA) guidelines. Hydrous hybrid Fe–Ca–Zr oxide nanoadsorbent presented a marked fluoride adsorption capacity of 250 mg/g at pH 7.0 (±0.1) much greater than other commercially accessible adsorbents for both synthetic and real water samples. The adsorption isotherms, Freundlich and Dubinin–Radushkevich (D–R) fitted reasonably well fine having high coefficient of regression values. The adsorption of fluoride was established well using pseudo-second-order kinetics. The fluoride loaded adsorbent was efficiently regenerated by using an alkali solution. Interestingly, the developed nanomaterial not only showed excellent fluoride removal capacity but also demonstrated good antibacterial activity against Escherichia coli with IC50 (25 μg/mL).

AB - The aim of the present study is to develop an efficient nanomaterial for the removal of fluoride and disinfection of harmful bacteria in order to make water potable according to Environmental Protection Agency (EPA) guidelines. Hydrous hybrid Fe–Ca–Zr oxide nanoadsorbent presented a marked fluoride adsorption capacity of 250 mg/g at pH 7.0 (±0.1) much greater than other commercially accessible adsorbents for both synthetic and real water samples. The adsorption isotherms, Freundlich and Dubinin–Radushkevich (D–R) fitted reasonably well fine having high coefficient of regression values. The adsorption of fluoride was established well using pseudo-second-order kinetics. The fluoride loaded adsorbent was efficiently regenerated by using an alkali solution. Interestingly, the developed nanomaterial not only showed excellent fluoride removal capacity but also demonstrated good antibacterial activity against Escherichia coli with IC50 (25 μg/mL).

U2 - 10.1016/j.jcis.2015.06.045

DO - 10.1016/j.jcis.2015.06.045

M3 - Article

SN - 0021-9797

VL - 457

SP - 289

EP - 297

JO - Journal of Colloid and Interface Science

JF - Journal of Colloid and Interface Science

ER -

Excellent fluoride decontamination and antibacterial efficacy of Fe–Ca–Zr hybrid metal oxide nanomaterial

Abstract

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