Mesoporous Alumina Nanoparticles as Host Tunnel-like Pores for Removal and Recovery of Insecticides from Environmental Samples

Aly Derbalah, Sherif A. El-Safty, Mohamed A. Shenashen, Nabil A. AbdelGhany

    Research output: Contribution to journalArticle

    Abstract

    Water contamination with lindane, which is a persistent, toxic, and priority insecticide, is a major problem worldwide. This study presents the fabrication of mesoporous alumina nanoparticles (MA-NPs) with a large surface-area-to-volume ratio, active surface sites, and open channel pores to trap/adsorb insecticide molecules, such as lindane. Key factors, such as temperature, pH (i.e., 4.5), adsorbate-adsorbent concentration, and contact time, influence the thermodynamics and kinetics of heterogeneous lindane-MA-NP adsorption. Results show that the maximum adsorption capacity (q<inf>m</inf>) of lindane is 25.54mgg<sup>-1</sup> at 20°C. MA-NPs also exhibits a high uptake efficiency (>80%) of lindane after 20cycles, which results in effective regeneration and reusability characteristics. MA-NPs were also applied in real environmental samples from tap and lake water sources contaminated with lindane. The results indicate that the MA-NPs show evidence of their environmental impact, their potential influence on the removal and recovery of lindane, and their possible contribution to waste management.

    Original languageEnglish
    JournalChemPlusChem
    DOIs
    Publication statusAccepted/In press - 2015

    Fingerprint

    Lindane
    Aluminum Oxide
    Insecticides
    Tunnels
    Nanoparticles
    Recovery
    Adsorption
    Water
    Poisons
    Reusability
    Adsorbates
    Waste management
    Adsorbents
    Environmental impact
    Lakes
    Contamination
    Thermodynamics
    Fabrication
    Molecules
    Kinetics

    Keywords

    • Adsorption
    • Green chemistry
    • Insecticides
    • Mesoporous materials
    • Nanoparticles

    ASJC Scopus subject areas

    • Chemistry(all)

    Cite this

    Mesoporous Alumina Nanoparticles as Host Tunnel-like Pores for Removal and Recovery of Insecticides from Environmental Samples. / Derbalah, Aly; El-Safty, Sherif A.; Shenashen, Mohamed A.; AbdelGhany, Nabil A.

    In: ChemPlusChem, 2015.

    Research output: Contribution to journalArticle

    Derbalah, Aly ; El-Safty, Sherif A. ; Shenashen, Mohamed A. ; AbdelGhany, Nabil A. / Mesoporous Alumina Nanoparticles as Host Tunnel-like Pores for Removal and Recovery of Insecticides from Environmental Samples. In: ChemPlusChem. 2015.
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    abstract = "Water contamination with lindane, which is a persistent, toxic, and priority insecticide, is a major problem worldwide. This study presents the fabrication of mesoporous alumina nanoparticles (MA-NPs) with a large surface-area-to-volume ratio, active surface sites, and open channel pores to trap/adsorb insecticide molecules, such as lindane. Key factors, such as temperature, pH (i.e., 4.5), adsorbate-adsorbent concentration, and contact time, influence the thermodynamics and kinetics of heterogeneous lindane-MA-NP adsorption. Results show that the maximum adsorption capacity (qm) of lindane is 25.54mgg-1 at 20°C. MA-NPs also exhibits a high uptake efficiency (>80{\%}) of lindane after 20cycles, which results in effective regeneration and reusability characteristics. MA-NPs were also applied in real environmental samples from tap and lake water sources contaminated with lindane. The results indicate that the MA-NPs show evidence of their environmental impact, their potential influence on the removal and recovery of lindane, and their possible contribution to waste management.",
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    AU - AbdelGhany, Nabil A.

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