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Nanomaterials
Special Issues
Carbon-Based Nanomaterials for Adsorption and Removal of Pollutants
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Carbon-Based Nanomaterials for Adsorption and Removal of Pollutants

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Environmental Nanoscience and Nanotechnology".

Deadline for manuscript submissions: closed (10 January 2024) | Viewed by 2883

Special Issue Editors

Prof. Dr. Abdul Wahab Mohammad

E-Mail Website
Guest Editor
1. Chemical and Water Desalination Engineering Program, College of Engineering, University of Sharjah, Sharjah 27272, United Arab Emirates
2. Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
Interests: membranes and separation technologies; nanomaterials for membranes; adsorption and photocatalytic processes; water and wastewater treatment
Dr. Wei Lun Ang

E-Mail Website
Guest Editor
Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
Interests: membrane technologies; water treatment and wastewater reclamation; graphene-based nanomaterials for membrane and adsorption processes

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute original research articles and review articles covering the current progress on "Carbon-Based Nanomaterials for Adsorption and Removal of Pollutants". In the recent decades, carbon-based nanomaterials such as graphene, graphene derivatives, carbon nanotubes, carbon dots, carbon nanofibers, etc., have gained increasing interest among the research community due to their unique characteristics suitable to be used as adsorbents for the removal of pollutants. Carbon-based nanomaterials can be used as adsorbents in their present form or can be functionalized with other materials to further enhance their capability and functionality in removing environmental pollutants. Various strategies have been developed to address the challenges in employing carbon-based nanomaterials, such as the hybridization of adsorbents, stabilization of adsorbents in water, recovery and regeneration of spent adsorbents, innovative operational techniques, and techno-economic feasibility of the adsorbents as compared to conventional adsorbents.

This Special Issue aims to present the latest research outlining the progress in the development and application of carbon-based nanomaterial adsorbents for the removal of environmental pollutants. Innovative and novel works on carbon-based adsorbents will be the focus of this Special Issue not only in terms of basic adsorbent characterization but also in demonstrating technology applications for in-field treatment. Research studies that investigate the practical application of carbon-based nanomaterial adsorbents, including upscaled testing, techno-economic feasibility studies, and the regeneration and recovery of adsorbents, are also welcome.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Synthesis and application of novel carbon-based nanomaterial adsorbents;
  • Innovative and practical technology applications;
  • Integration with other technologies to remove emerging pollutants;
  • Techno-economic feasibility study;
  • Regeneration and recovery of adsorbent;
  • Theory, modeling, and simulation.

We look forward to receiving your contributions.

Prof. Dr. Abdul Wahab Mohammad
Dr. Wei Lun Ang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • carbon-based nanomaterials
  • adsorption
  • removal of environmental pollutants
  • functionalization
  • wastewater treatment
  • regeneration and recovery
  • techno-economic feasibility

Published Papers (2 papers)

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Research

13 pages, 2468 KiB  
Article
Neutron Activation Analysis of Rare Earth Element Extraction from Solution through a Surfactant-Assisted Dispersion of Carbon Nanotubes
by Adam Samia, Donald Nolting, Joseph Lapka and William Charlton
Nanomaterials 2024, 14(1), 92; https://doi.org/10.3390/nano14010092 - 28 Dec 2023
Cited by 1 | Viewed by 977
Abstract
We report the preparation of surfactant-assisted carbon nanotube dispersions using gum arabic, Triton X-100, and graphene oxide as dispersing agents for removing rare earth elements in an aqueous solution. The analytical tools, including (a) scanning electron microscopy and (b) neutron activation analysis, were [...] Read more.
We report the preparation of surfactant-assisted carbon nanotube dispersions using gum arabic, Triton X-100, and graphene oxide as dispersing agents for removing rare earth elements in an aqueous solution. The analytical tools, including (a) scanning electron microscopy and (b) neutron activation analysis, were utilized for qualitative and quantitative examinations, respectively. Neutron activation analysis was employed to quantitatively determine the percent of extraction of nuclides onto the carbon structure, while the images produced from the scanning electron microscope allowed the morphological structure of the surfactant–CNT complex to be analyzed. This report tested the effects responsible for nuclide removal onto CNTs, including the adsorbent to target mass ratio, the CNT concentration and manufacturing process, the pH, and the ionic radius. Observable trends in nuclide extraction were found for each parameter change, with the degree of dispersion displaying high dependency. Full article
(This article belongs to the Special Issue Carbon-Based Nanomaterials for Adsorption and Removal of Pollutants)
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23 pages, 3880 KiB  
Article
Investigation of the Adsorption Process of Chromium (VI) Ions from Petrochemical Wastewater Using Nanomagnetic Carbon Materials
by Wei Long, Zhilong Chen, Xiwen Chen and Zhanye Zhong
Nanomaterials 2022, 12(21), 3815; https://doi.org/10.3390/nano12213815 - 28 Oct 2022
Cited by 5 | Viewed by 1372
Abstract
Magnetic mesoporous carbon (MMC) and magnetic activated carbon (MAC) are good functionalized carbon materials to use when applying environmental techniques. In this work, a series of efficient magnetic composite adsorbents containing Fe3O4 and carbon were prepared successfully and used for [...] Read more.
Magnetic mesoporous carbon (MMC) and magnetic activated carbon (MAC) are good functionalized carbon materials to use when applying environmental techniques. In this work, a series of efficient magnetic composite adsorbents containing Fe3O4 and carbon were prepared successfully and used for the adsorption of Cr(VI) ions in petrochemical wastewater. The morphology and structure of these magnetic adsorbents were characterized with FTIR, TG, XRD, VSM, BET, and SEM technologies. The effect of different factors, such as pH, adsorption time, initial Cr(VI) ions’ concentration, Fe3O4 loading, and adsorption time, on the adsorption behavior were discussed. The results showed that the 8%Fe3O4@MMC adsorbent exhibited a high removal rate, reutilization, and large adsorption capacity. The corresponding adsorption capacity and removal rate could reach 132.80 mg·g−1 and 99.60% when the pH value, adsorption time, and initial Cr(VI) ions’ concentration were 2, 180 min, and 80 mg·L−1 at 298 K. Four kinds of adsorption isotherm models were used for fitting the experimental data by the 8%Fe3O4@MMC adsorbent at different temperatures in detail, and a kinetic model and thermodynamic analysis also were performed carefully. The reutilization performance was investigated, and the Fe3O4@MMC adsorbent exhibited greater advantage in the adsorption of Cr(VI) ions. These good performances can be attributed to a unique uniform pore structure, different crystalline phases of Fe3O4 particles, and adsorption potential rule. Hence, the 8%Fe3O4@MMC adsorbent can be used in industrial petrochemical wastewater treatment. Full article
(This article belongs to the Special Issue Carbon-Based Nanomaterials for Adsorption and Removal of Pollutants)
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