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  1. Article ; Online: Magnetic nanocomposite adsorbents for abatement of arsenic species from water and wastewater.

    Ahmaruzzaman, Mohammed

    Environmental science and pollution research international

    2022  Volume 29, Issue 55, Page(s) 82681–82708

    Abstract: The presence of high concentrations of arsenic species in drinking water and other water bodies has become one of the most critical environmental concerns. Therefore, decontamination of arsenic-containing water is essential for improved health and ... ...

    Abstract The presence of high concentrations of arsenic species in drinking water and other water bodies has become one of the most critical environmental concerns. Therefore, decontamination of arsenic-containing water is essential for improved health and environmental concern. In recent years, nano-adsorbents have been widely used for the adsorptive removal of arsenic from water. Separating existing nano-adsorbents from treated waters, on the other hand, is a critical issue for their potential applications in natural water treatment. To address these issues and to effectively remove arsenic from water, researchers looked at iron oxide-based magnetic nanocomposite adsorbents. The magnetic nanoadsorbents have the benefit of surface functionalization, making it easier to target a specific pollutant for adsorption, and magnetic separation. In addition, magnetic nanoparticles have a large surface area, high chemical inertness, superparamagnetic, high magnetic susceptibility, small particle size, and large specific surface area, and are especially easily separated in a magnetic field. Magnetic nano-adsorbents have been discovered to have a lot of potential for eliminating arsenic from water. The recent advances in magnetic nano-absorbents for the cleanup of arsenic species from water are summarized in this paper. Future perspectives and directions were also discussed in this article. This will help budding researchers for the further advancement of magnetic nanocomposites for the treatment of water and wastewater contaminated with arsenic.
    MeSH term(s) Arsenic/analysis ; Waste Water ; Water Pollutants, Chemical/analysis ; Water Purification ; Nanocomposites ; Adsorption ; Magnetic Phenomena
    Chemical Substances Arsenic (N712M78A8G) ; Waste Water ; Water Pollutants, Chemical
    Language English
    Publishing date 2022-10-11
    Publishing country Germany
    Document type Journal Article ; Review
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-022-23357-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Magnetic nanocomposite adsorbents for abatement of arsenic species from water and wastewater

    Ahmaruzzaman, Mohammed

    Environ Sci Pollut Res. 2022 Nov., v. 29, no. 55 p.82681-82708

    2022  

    Abstract: The presence of high concentrations of arsenic species in drinking water and other water bodies has become one of the most critical environmental concerns. Therefore, decontamination of arsenic-containing water is essential for improved health and ... ...

    Abstract The presence of high concentrations of arsenic species in drinking water and other water bodies has become one of the most critical environmental concerns. Therefore, decontamination of arsenic-containing water is essential for improved health and environmental concern. In recent years, nano-adsorbents have been widely used for the adsorptive removal of arsenic from water. Separating existing nano-adsorbents from treated waters, on the other hand, is a critical issue for their potential applications in natural water treatment. To address these issues and to effectively remove arsenic from water, researchers looked at iron oxide-based magnetic nanocomposite adsorbents. The magnetic nanoadsorbents have the benefit of surface functionalization, making it easier to target a specific pollutant for adsorption, and magnetic separation. In addition, magnetic nanoparticles have a large surface area, high chemical inertness, superparamagnetic, high magnetic susceptibility, small particle size, and large specific surface area, and are especially easily separated in a magnetic field. Magnetic nano-adsorbents have been discovered to have a lot of potential for eliminating arsenic from water. The recent advances in magnetic nano-absorbents for the cleanup of arsenic species from water are summarized in this paper. Future perspectives and directions were also discussed in this article. This will help budding researchers for the further advancement of magnetic nanocomposites for the treatment of water and wastewater contaminated with arsenic.
    Keywords adsorbents ; adsorption ; arsenic ; decontamination ; magnetic fields ; magnetic separation ; magnetic susceptibility ; nanocomposites ; nanoparticles ; particle size ; pollutants ; surface area ; wastewater ; water treatment
    Language English
    Dates of publication 2022-11
    Size p. 82681-82708.
    Publishing place Springer Berlin Heidelberg
    Document type Article ; Online
    Note Review
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-022-23357-2
    Database NAL-Catalogue (AGRICOLA)

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  3. Article ; Online: ZnO-based Cu metal-organic framework (MOF) nanocomposite for boosting and tuning the photocatalytic degradation performance.

    Roy, Saptarshi / Darabdhara, Jnyanashree / Ahmaruzzaman, Mohammed

    Environmental science and pollution research international

    2023  Volume 30, Issue 42, Page(s) 95673–95691

    Abstract: Although metal-organic frameworks (MOFs) are a viable choice for photocatalysts with large surface area and tunable pore structure, the rapid recombination of excited photogenerated charges results in low activity towards photodegradation. Aiming at ... ...

    Abstract Although metal-organic frameworks (MOFs) are a viable choice for photocatalysts with large surface area and tunable pore structure, the rapid recombination of excited photogenerated charges results in low activity towards photodegradation. Aiming at improving the photocatalytic activities of MOFs, different strategies to incorporate MOF with light-harvesting semiconductors have been developed. In this research, we report an effective photocatalyst designed by incorporating Cu-MOF with ZnO for the photocatalytic degradation of Rose Bengal exhibiting excellent degradation efficiency of 97.4% in 45 min under natural sunlight with catalyst dosage of 320 mg/L. The optical, morphology and surface characteristics of the prepared nanocomposite were studied using scanning electron microscopy (SEM-EDX), high-resolution transmission electron microscopy (HRTEM), powder X-ray diffraction (PXRD), Brunauer-Emmett-Teller (BET) analysis, thermogravimetric (TGA) analysis, Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and ultraviolet diffused reflectance spectroscopy (UV-DRS) techniques. Further studies showed that the degradation followed first-order kinetics with a rate constant of 0.077869 min
    MeSH term(s) Zinc Oxide/chemistry ; Metal-Organic Frameworks ; Nanocomposites/chemistry ; Photolysis ; Photoelectron Spectroscopy
    Chemical Substances Zinc Oxide (SOI2LOH54Z) ; Metal-Organic Frameworks
    Language English
    Publishing date 2023-08-09
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-023-29105-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Visible-light-driven photocatalytic degradation of Rose Bengal and Methylene Blue using low-cost sawdust derived SnO

    Bhattacharjee, Baishali / Hazarika, Berileena / Ahmaruzzaman, Mohammed

    Environmental science and pollution research international

    2023  Volume 30, Issue 52, Page(s) 112591–112610

    Abstract: Conversion of carbon-rich waste biomass into valuable products is an environmentally sustainable method. This study accentuates the synthesis of novel ... ...

    Abstract Conversion of carbon-rich waste biomass into valuable products is an environmentally sustainable method. This study accentuates the synthesis of novel SnO
    MeSH term(s) Methylene Blue/chemistry ; Rose Bengal ; Spectroscopy, Fourier Transform Infrared ; Hydrogen Peroxide ; Nanocomposites/chemistry ; Catalysis
    Chemical Substances biochar ; Methylene Blue (T42P99266K) ; Rose Bengal (1ZPG1ELY14) ; Hydrogen Peroxide (BBX060AN9V)
    Language English
    Publishing date 2023-10-14
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-023-30297-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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